US2970353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamp
Assignee: JACK L PERRIN
•
Filing: 1958-08-25
•
Granted: 1961-02-07
•
Expires: 1978-08-25
Abstract
No abstract record available.
Inventors
- 👤 Claire E Stone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:17
CPC Classifications
A; A45; A45D; A45D8/00; A45D8/34; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/39; Y10T24/3936; Y10T24/44; Y10T24/44291; Y10T24/4453; Y10T24/44538
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |