Patent US2907234A successfully refreshed from Google Patents.
US2907234A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1956-10-19
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Granted: 1959-10-06
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Expires: 1976-10-19
Abstract
No abstract record available.
Inventors
- 👤 Raymond H Wade
- 👤 Robert C Niswonger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:38
CPC Classifications
B; B23; B23B; B23B5/00; B23B5/16; B23B5/167; B23B5/168; B23B2220/00; B23B2220/08; Y; Y10; Y10T; Y10T407/00; Y10T407/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |