US736844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Head-rest.
Assignee: JOHN CROCKETT
•
Filing: 1903-04-09
•
Granted: 1903-08-18
•
Expires: 1923-04-09
Abstract
No abstract record available.
Inventors
- 👤 William N Greer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:49
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/80; B60N2/806; B60N2/838
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) | 1906-08-17 | 1907-02-16 | 1907-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-08-17 | 1911-02-16 | 1911-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-08-17 | 1915-02-16 | 1915-08-18 | $7700.00 | Window Closed / Lapsed |