US2852957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable cam mechanism
Assignee: American National Bank and Trust Co
•
Filing: 1957-08-01
•
Granted: 1958-09-23
•
Expires: 1977-08-01
Abstract
No abstract record available.
Inventors
- 👤 Charles T Breitenstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:57
CPC Classifications
B; B67; B67D; B67D1/00; B67D1/08; B67D1/12; B67D1/1202; B67D1/1234; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2101; Y10T74/2102
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1742843A
Cited
US2050825A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |