US3096587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sketching device
Assignee: Craftint Manufacturing Co
•
Filing: 1960-08-03
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Granted: 1963-07-09
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Expires: 1980-08-03
Abstract
No abstract record available.
Inventors
- 👤 Emil J Kenney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:16
CPC Classifications
B; B43; B43L; B43L13/00; B43L13/14; B43L13/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A SKETCHING DEVICE COMPRISING A RECTANGULAR TRUNCATED PYRAMIDAL VIEWING FRAME, A TRANSPARENT RECTANGULAR BASE GRID THEREFOR, A TRANSPARENT FINDER SAID SLIDEABLY MOUNTED ON SAID BASE GRID, A TRANSPARENT RECTANGULAR ALIGNING GRID INTERPOSED IN SAID VIEWING FRAME BETWEEN SAID BASE GRID AND THE VERTEX OF SAID TRUNCATED PYRAMIDAL
Claim 2
Dependent Claim
47 words
A SKETCHING DEVICE COMPRISING A RECTANGULAR TRUNCATED PYRAMIDAL VIEWING FRAME, A TRANSPARENT RECTANGULAR BASE GRID THEREFOR, A TRANSPARENT FINDER SAID SLIDEABLY MOUNTED ON SAID BASE GRID, A TRANSPARENT RECTANGULAR ALIGNING GRID INTERPOSED IN SAID VIEWING FRAME BETWEEN SAID BASE GRID AND THE VERTEX OF SAID TRUNCATED PYRAMIDAL
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) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |