Patent US3259031A successfully refreshed from Google Patents.
US3259031A
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Tear strip applying machine
Assignee: Paulson Machine Co Ltd
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Filing: 1963-08-05
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Granted: 1966-07-05
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Expires: 1983-08-05
Abstract
No abstract record available.
Inventors
- 👤 John R Paulson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:00
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/74; B31B70/81; B31B70/812; B31B2150/00; B31B2160/00; B31B2160/10; B31B2160/104; B31B70/813; B31B70/8134; Y; Y10; Y10S; Y10S493/00; Y10S493/916; Y10S493/917; Y10S493/923
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
111 words
A MACHINE FOR APPLYING TEAR STRIPS TO ENVELOPE WHICH COMPRISING (A) A SUPPORTING TABLE, (B) MEANS DEFINING A PATH OF TRAVEL ON SAID TABLE HAVING AN ENTRANCE END AND AN EXIT END, (C) A PLURALITY OF ENVELOPE MOVING DEVICES MOUNTED ON SAID TABLE IN SUCCESSIVELY ARRANGED RELATION ALONG SAID PATH OF TRAVEL, (D) ENVELOPE STACKING MEANS ADJACENT SAID ENTRANCE END OF SAID PATH OF TRAVEL, (E) MEANS FOR FEEDING ENVELOPES FROM SAID STACK IN SINGLE FILE INTO SAID PATH OF TRAVEL, (F) AN ENVELOPE CLOSURE FLAP OPENING MEMBER MOUNTED ON SAID TABLE IN SAID PATH OF TRAVEL, (G) ONE OF SAID ENVELOPE MOVING DEVICES COMPRISING A PAIR OF ENVELOPE-RECEIVING NIPPING ROLLS,
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) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |