US2808753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Cone Automatic Machine Co Inc
•
Filing: 1953-08-18
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Granted: 1957-10-08
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Expires: 1973-08-18
Abstract
No abstract record available.
Inventors
- 👤 Roger W Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 04:12
CPC Classifications
B; B23; B23Q; B23Q7/00; B23Q2707/00; B23Q2707/003; Y; Y10; Y10T; Y10T82/00; Y10T82/26; Y10T82/266; Y10T82/268
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1467821A
Cited
US1944255A
Cited
US2097646A
Cited
US2360968A
Cited
US2379210A
Cited
US2698551A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |