US2288068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crankshaft manufacture
Assignee: Individual
•
Filing: 1940-07-19
•
Granted: 1942-06-30
•
Expires: 1960-07-19
Abstract
No abstract record available.
Inventors
- 👤 Brebeck Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:56
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/0026; F; F02; F02B; F02B75/00; F02B75/34; Y; Y10; Y10S; Y10S29/00; Y10S29/048; Y10S62/00; Y10S62/10; Y10S82/00; Y10S82/90; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49286; Y10T29/49826; Y10T29/4984; Y10T74/00; Y10T74/21; Y10T74/2173; Y10T74/2174; Y10T74/2175
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) | 1945-06-29 | 1945-12-29 | 1946-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-06-29 | 1949-12-29 | 1950-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-06-29 | 1953-12-29 | 1954-06-30 | $7700.00 | Window Closed / Lapsed |