US2812939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for feeding blanks from a supply stack
Assignee: Bostitch Inc
•
Filing: 1953-05-14
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Granted: 1957-11-12
•
Expires: 1973-05-14
Abstract
No abstract record available.
Inventors
- 👤 George H Harred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:13
CPC Classifications
B; B65; B65B; B65B43/00; B65B43/12; B65B43/14; B65B43/20; B65B43/205; B65H; B65H3/00; B65H3/24; B65H2301/00; B65H2301/40; B65H2301/42; B65H2301/423; B65H2301/4232; B65H2301/42322
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1169925A
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US1434608A
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US1684389A
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US1643646A
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US1644695A
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US1756073A
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US2456449A
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US2540162A
Cited
US2534893A
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US2677543A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-11 | 1961-05-13 | 1961-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-11 | 1965-05-13 | 1965-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-11 | 1969-05-13 | 1969-11-12 | $7700.00 | Window Closed / Lapsed |