US2941236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hinge
Assignee: Peerless Manufacturing Co
•
Filing: 1955-04-18
•
Granted: 1960-06-21
•
Expires: 1975-04-18
Abstract
No abstract record available.
Inventors
- 👤 Jack E Monroe
- 👤 Jr Donald A Sillers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:41
CPC Classifications
B; B01; B01J; B01J3/00; B01J3/03; F; F16; F16J; F16J13/00; F16J13/16; F16J13/20; F22; F22B; F22B37/00; F22B37/02; F22B37/22; F22B37/221; Y; Y10; Y10T; Y10T292/00; Y10T292/20; Y10T292/221; Y10T292/23; Y10T292/237
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US132494A
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US787110A
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US1069505A
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US1215593A
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US1881755A
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US1748849A
Cited
US2176306A
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US2095192A
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US2121452A
Cited
GB568490A
Cited
US2754537A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |