US3115213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable seat
Assignee: Individual
•
Filing: 1961-05-01
•
Granted: 1963-12-24
•
Expires: 1981-05-01
Abstract
No abstract record available.
Inventors
- 👤 Warren F Cloutier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:03
CPC Classifications
A; A45; A45F; A45F3/00; A45F3/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US60659A
Cited
US1127369A
Cited
US1542548A
Cited
US1571753A
Cited
FR926917A
Cited
US2711783A
Cited
FR1079975A
Cited
US2833608A
Cited
US2843436A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |