US3909883B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
US3909883B1 - - Google Patents
Assignee: —
•
Filing: 1973-11-30
•
Granted: 1985-11-19
•
Expires: 1993-11-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:06
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/06; F16B21/08; F16B21/082; H; H05; H05K; H05K7/00; H05K7/02; H05K7/12; H05K7/14; H05K7/1417; H05K7/142
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-11-18 | 1989-05-20 | 1989-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-11-18 | 1993-05-20 | 1993-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-11-18 | 1997-05-20 | 1997-11-19 | $7700.00 | Window Closed / Lapsed |