US2756891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: AMF Inc
•
Filing: 1953-05-21
•
Granted: 1956-07-31
•
Expires: 1973-05-21
Abstract
No abstract record available.
Inventors
- 👤 Hill Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:19
CPC Classifications
B; B65; B65C; B65C9/00; B65C9/40; B65C9/42; B65C9/08; B65C9/18; B65C9/1865; B65C9/1869; B65C9/26; B65C9/36; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1317; Y10T156/1343
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1226268A
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US1424165A
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US2029394A
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US2248744A
Cited
US2192132A
Cited
US2286159A
Cited
US2326436A
Cited
US2329669A
Cited
US2540694A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-31 | 1960-01-30 | 1960-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-31 | 1964-01-30 | 1964-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-31 | 1968-01-30 | 1968-07-31 | $7700.00 | Window Closed / Lapsed |