US3288503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring clip
Assignee: —
•
Filing: —
•
Granted: 1966-11-29
•
Expires: 1983-11-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:44
CPC Classifications
A; A47; A47C; A47C31/00; A47C31/02; A47C31/04; A47C31/06; Y; Y10; Y10T; Y10T403/00; Y10T403/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2538855A
Cited
US2652885A
Cited
US2685330A
Cited
US3098244A
Cited
US1452599A
Cited
US2705527A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |