Patent US3599738A successfully refreshed from Google Patents.
US3599738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable letter postage scale
Assignee: Individual
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Filing: 1970-03-12
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Granted: 1971-08-17
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Expires: 1990-03-12
Abstract
Abstract An economical portable letter postage scale having a support for a counterweight, the support being formed from a relatively flat sheet of material suspended from a handle at one corner thereof and relative to which handle the sheet pivots under action of the counterweight to dispose an envelope holder pivotally carried by the sheet, to a position of registration with a scale calibration on the sheet to designate the weight of such envelope and its contents and thereby determine the required postage.
Inventors
- 👤 Chester H Wickenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:39
CPC Classifications
G; G01; G01G; G01G1/00; G01G1/02; G01G19/00; G01G19/002
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
168 words
A portable postage scale comprising a. a relatively flat sheet having an arcuate edge portion on which is a scale calibration comprising weight-indicating indicia, b. a handle having a fingerpiece and having one end portion pivotally connected to a corner of said sheet, c. a rod having one end portion pivotally connected to said sheet adjacent the pivotal connection between the sheet and the handle and extending in a coplanar relationship with respect to the sheet, d. an envelope holder formed in the opposite end of said rod for removably connecting an envelope to the rod for suspension therefrom, e. and a counterweight consisting of a standard minted coin and a holder therefor formed in said sheet in a corner portion thereof opposite the first mentioned corner portion of said sheet, f. said sheet being adapted to be pivoted relative to said handle and beneath said rod by a counterweight disposed in said counterweight holder, to dispose said rod in registration with an indicium on said scale calibration.
Claim 2
Dependent Claim
168 words
A portable postage scale comprising a. a relatively flat sheet having an arcuate edge portion on which is a scale calibration comprising weight-indicating indicia, b. a handle having a fingerpiece and having one end portion pivotally connected to a corner of said sheet, c. a rod having one end portion pivotally connected to said sheet adjacent the pivotal connection between the sheet and the handle and extending in a coplanar relationship with respect to the sheet, d. an envelope holder formed in the opposite end of said rod for removably connecting an envelope to the rod for suspension therefrom, e. and a counterweight consisting of a standard minted coin and a holder therefor formed in said sheet in a corner portion thereof opposite the first mentioned corner portion of said sheet, f. said sheet being adapted to be pivoted relative to said handle and beneath said rod by a counterweight disposed in said counterweight holder, to dispose said rod in registration with an indicium on said scale calibration.
Claim 3
Dependent Claim
20 words
The portable postage scale defined in claim 1 wherein the counterweight holder comprises concentrically arranged tabs struck from said sheet.
Claim 4
Dependent Claim
23 words
The portable postage scale defined in claim 1 wherein the fingerpiece is defined by a flat spirally wound end portion of said handle.
Claim 5
Dependent Claim
20 words
The portable postage scale defined by claim 3 wherein the counterweight holder comprises concentrically arranged tabs struck from said sheet.
Claim 6
Dependent Claim
26 words
The portable postage scale defined in claim 1 wherein the envelope holder is a clip provided by a flat spirally wound end portion of said rod.
Claim 7
Dependent Claim
20 words
The portable postage scale defined by claim 3 wherein the counterweight holder comprises concentrically arranged tabs struck from said sheet.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-16 | 1975-02-15 | 1975-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-16 | 1979-02-15 | 1979-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-16 | 1983-02-15 | 1983-08-17 | $7700.00 | Window Closed / Lapsed |