US3494006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-gripping fastening device
Assignee: Individual
•
Filing: 1968-01-12
•
Granted: 1970-02-10
•
Expires: 1988-01-12
Abstract
No abstract record available.
Inventors
- 👤 George C Brumlik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:06
CPC Classifications
A; A44; A44B; A44B18/00; A44B18/0003; A44B18/0015; Y; Y10; Y10S; Y10S411/00; Y10S411/921; Y10T; Y10T24/00; Y10T24/27; Y10T24/2708; Y10T24/275; Y10T24/2758; Y10T24/2767; Y10T24/33; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/49798; Y10T29/49826; Y10T29/49833; Y10T428/00; Y10T428/24; Y10T428/24008; Y10T428/24017
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE529293A
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FR439105A
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US3031730A
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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) | 1973-02-09 | 1973-08-11 | 1974-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-09 | 1977-08-11 | 1978-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-09 | 1981-08-11 | 1982-02-10 | $7700.00 | Window Closed / Lapsed |