Patent US688554A successfully refreshed from Google Patents.
US688554A
Expired / Lapsed
US
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Circuit making and breaking device.
Assignee: Individual
•
Filing: 1901-02-04
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Granted: 1901-12-10
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Expires: 1921-02-04
Abstract
No abstract record available.
Inventors
- 👤 John F Skirrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:29
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/16; H01H50/18; H01H50/34
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) | 1904-12-09 | 1905-06-10 | 1905-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-12-09 | 1909-06-10 | 1909-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-12-09 | 1913-06-10 | 1913-12-10 | $7700.00 | Window Closed / Lapsed |