US3477333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Releasable fastening device
Assignee: Tridair Industries Inc
•
Filing: 1966-11-21
•
Granted: 1969-11-11
•
Expires: 1986-11-21
Abstract
No abstract record available.
Inventors
- 👤 Thomas R Boyd
- 👤 Frank J Cosenza
- 👤 Albert K Yamamoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:21
CPC Classifications
F; F42; F42B; F42B15/00; F42B15/36; F16; F16B; F16B21/00; F16B21/10; F16B21/16; F16B21/165; E; E05; E05B; E05B63/00; E05B63/12; E05B63/121
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1243338A
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US1635144A
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US2232340A
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US2655105A
Cited
US3068737A
Cited
US3024703A
Cited
GB971537A
Cited
US3145441A
Cited
US3302960A
Cited
US3319978A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |