Patent US726105A successfully refreshed from Google Patents.
US726105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring-jack for telephone-switchboards.
Assignee: AT&T Inc
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Filing: 1897-06-21
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Granted: 1903-04-21
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Expires: 1917-06-21
Abstract
No abstract record available.
Inventors
- 👤 Charles E Scribner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:46
CPC Classifications
H; H01; H01R; H01R12/00
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) | 1906-04-20 | 1906-10-20 | 1907-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-04-20 | 1910-10-20 | 1911-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-04-20 | 1914-10-20 | 1915-04-21 | $7700.00 | Window Closed / Lapsed |