US2924299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake mechanism for drafting table
Assignee: Hamilton Manufacturing Co
•
Filing: 1957-10-22
•
Granted: 1960-02-09
•
Expires: 1977-10-22
Abstract
No abstract record available.
Inventors
- 👤 Claude G Kanzelberger
- 👤 Victor H Hiers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:06
CPC Classifications
A; A47; A47B; A47B27/00; A47B27/04; A47B27/06; A47B27/08; A47B27/18; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/2066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US836303A
Cited
US1606840A
Cited
US2233329A
Cited
US2356924A
Cited
US2588174A
Cited
US2605156A
Cited
US2871713A
Cited
US2795299A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-08 | 1963-08-10 | 1964-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-08 | 1967-08-10 | 1968-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-08 | 1971-08-10 | 1972-02-09 | $7700.00 | Window Closed / Lapsed |