US2929121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamps
Assignee: Individual
•
Filing: 1958-06-04
•
Granted: 1960-03-22
•
Expires: 1978-06-04
Abstract
No abstract record available.
Inventors
- 👤 George A Tinnerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:31
CPC Classifications
E; E04; E04G; E04G7/00; E04G7/02; E04G7/28; E04G2007/285; Y; Y10; Y10T; Y10T403/00; Y10T403/71; Y10T403/7147; Y10T403/7164; Y10T403/7171; Y10T403/7176; Y10T403/7194
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) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |