US916649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit-closer for automobiles.
Assignee: E ARTHUR PARKER
•
Filing: 1907-05-15
•
Granted: 1909-03-30
•
Expires: 1927-05-15
Abstract
No abstract record available.
Inventors
- 👤 Theodore A Backe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:28
CPC Classifications
H; H03; H03M; H03M1/00; F; F02; F02P; F02P7/00; F02P7/06; F02P7/063; F02P7/0632
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) | 1912-03-29 | 1912-09-28 | 1913-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-03-29 | 1916-09-28 | 1917-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-03-29 | 1920-09-28 | 1921-03-30 | $7700.00 | Window Closed / Lapsed |