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Patent US2937788A successfully refreshed from Google Patents.
US2937788A
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US
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Fluid operated escapement device
Assignee: Dixon Automatic Tool Inc
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Filing: 1958-04-03
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Granted: 1960-05-24
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Expires: 1978-04-03
Abstract
No abstract record available.
Inventors
- 👤 Darsie Burns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:18
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/22; B65G47/26; B65G47/28; B65G47/29; B65G47/295
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2611911A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |