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US767971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wireless-telegraph receiving device.
Assignee: Individual
•
Filing: 1902-08-11
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Granted: 1904-08-16
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Expires: 1922-08-11
Abstract
No abstract record available.
Inventors
- 👤 John Stone Stone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:28
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/06; H04B1/16
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) | 1907-08-16 | 1908-02-15 | 1908-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-08-16 | 1912-02-15 | 1912-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-08-16 | 1916-02-15 | 1916-08-16 | $7700.00 | Window Closed / Lapsed |