US2949049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Index table
Assignee: Individual
•
Filing: 1956-11-01
•
Granted: 1960-08-16
•
Expires: 1976-11-01
Abstract
No abstract record available.
Inventors
- 👤 Frank B Doemer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:49
CPC Classifications
B; B23; B23Q; B23Q16/00; B23Q16/02; B23Q16/04; B23Q16/06; Y; Y10; Y10T; Y10T74/00; Y10T74/14; Y10T74/1418; Y10T74/1424; Y10T74/1453; Y10T74/15; Y10T74/1526; Y10T74/1553; Y10T74/1555
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US728573A
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US921983A
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US1578232A
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US2380873A
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US2400691A
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US2464996A
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US2622487A
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US2641279A
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US2658523A
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US2645981A
Cited
GB678022A
Cited
US2715944A
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US2660895A
Cited
US2826099A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-16 | 1964-02-15 | 1964-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-16 | 1968-02-15 | 1968-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-16 | 1972-02-15 | 1972-08-16 | $7700.00 | Window Closed / Lapsed |