US3453024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single action chair control
Assignee: Stewart Warner Corp
•
Filing: 1967-11-06
•
Granted: 1969-07-01
•
Expires: 1987-11-06
Abstract
No abstract record available.
Inventors
- 👤 Philip J Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:36
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/36; A47C7/40; A47C7/44; A47C7/443; A47C3/00; A47C3/02; A47C3/025; A47C3/026; A47C7/441
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2228719A
Cited
US2283062A
Cited
US2398072A
Cited
US2845992A
Cited
US3278228A
Cited
US3368844A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |