Patent US791657A successfully refreshed from Google Patents.
US791657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telephone-transmitter.
Assignee: Individual
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Filing: 1904-03-21
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Granted: 1905-06-06
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Expires: 1924-03-21
Abstract
No abstract record available.
Inventors
- 👤 Emil R Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:25
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/20; H04R1/22; H04R1/28; H04R1/2807; H04R1/2815; H04R1/2819
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) | 1908-06-05 | 1908-12-05 | 1909-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-06-05 | 1912-12-05 | 1913-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-06-05 | 1916-12-05 | 1917-06-06 | $7700.00 | Window Closed / Lapsed |