US3479087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic powered seat erector for an invalid
Assignee: WILBUR A BURKE
•
Filing: 1967-08-28
•
Granted: 1969-11-18
•
Expires: 1987-08-28
Abstract
No abstract record available.
Inventors
- 👤 Wilbur A Burke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:05
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/10; A61G7/1001; A61G7/1007; A61G2200/00; A61G2200/30; A61G2200/34; A61G2200/36; A61G5/00; A61G5/10; A61G5/14; A61G7/1013; A61G7/1021; Y; Y10; Y10S; Y10S297/00; Y10S297/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2598577A
Cited
US3303518A
Cited
US3158398A
Cited
US3218102A
Cited
US3267882A
Cited
US3250569A
Cited
US3296635A
Cited
US3311930A
Cited
US3259427A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |