Patent US773720A successfully refreshed from Google Patents.
US773720A
Expired / Lapsed
US
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Adjusting mechanism for couch head-rests, &c.
Assignee: Individual
•
Filing: 1903-03-06
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Granted: 1904-11-01
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Expires: 1923-03-06
Abstract
No abstract record available.
Inventors
- 👤 George W Drury
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:07
CPC Classifications
B; B60; B60T; B60T7/00; B60T7/02; B60T7/08; B60T7/10; B60T7/102; B60T7/104; B60T7/105; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/20672; Y10T74/20684
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) | 1907-11-01 | 1908-05-02 | 1908-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-11-01 | 1912-05-02 | 1912-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-11-01 | 1916-05-02 | 1916-11-01 | $7700.00 | Window Closed / Lapsed |