Patent US4283621B1 successfully refreshed from Google Patents.
US2282164A
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US
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Assignee: Individual
•
Filing: 1938-11-25
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Granted: 1942-05-05
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Expires: 1958-11-25
Abstract
No abstract record available.
Inventors
- 👤 Wallace H Buswell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:11
CPC Classifications
G; G07; G07F; G07F5/00; G07F5/18; G07F11/00; G07F11/62; G07F9/00; G07F9/002; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7051; Y10T70/7062; Y10T70/7068; Y10T70/7085; Y10T70/709
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-05-04 | 1945-11-03 | 1946-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-05-04 | 1949-11-03 | 1950-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-05-04 | 1953-11-03 | 1954-05-05 | $7700.00 | Window Closed / Lapsed |