Patent US760851A successfully refreshed from Google Patents.
US760851A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Key-operated recording means.
Assignee: Individual
•
Filing: 1903-06-27
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Granted: 1904-05-24
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Expires: 1923-06-27
Abstract
No abstract record available.
Inventors
- 👤 William Albert Crawford-Frost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:31
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/01; G06F3/02; G06F3/0202; G06F3/0219
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) | 1907-05-24 | 1907-11-23 | 1908-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-05-24 | 1911-11-23 | 1912-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-05-24 | 1915-11-23 | 1916-05-24 | $7700.00 | Window Closed / Lapsed |