US1250134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Starter for gas-engines.
Assignee: Individual
•
Filing: 1917-05-29
•
Granted: 1917-12-18
•
Expires: 1937-05-29
Abstract
No abstract record available.
Inventors
- 👤 John Leonard Brulatour
- 👤 Benjamin Leval Darrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:40
CPC Classifications
F; F02; F02N; F02N3/00; F02N3/02; Y; Y10; Y10T; Y10T74/00; Y10T74/13; Y10T74/15; Y10T74/1526; Y10T74/1542; Y10T74/1547; Y10T74/1548; Y10T74/155; Y10T74/1558; Y10T74/1587; Y10T74/1589; Y10T74/159
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) | 1920-12-17 | 1921-06-18 | 1921-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-12-17 | 1925-06-18 | 1925-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-12-17 | 1929-06-18 | 1929-12-18 | $7700.00 | Window Closed / Lapsed |