Patent US4723772A successfully refreshed from Google Patents.
Patent US3065828A successfully refreshed from Google Patents.
US3065828A
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US
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Locking mechanism
Assignee: Individual
•
Filing: 1958-10-20
•
Granted: 1962-11-27
•
Expires: 1978-10-20
Abstract
No abstract record available.
Inventors
- 👤 Daniel F Caldemeyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:38
CPC Classifications
A; A47; A47C; A47C3/00; A47C3/02; A47C3/03; A47C3/025; A47C3/027; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/20654
Claims Analysis
Total Claims: 0
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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) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |