US858928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ignition system for explosion-engines.
Assignee: AUTOCOIL Co
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Filing: 1907-04-05
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Granted: 1907-07-02
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Expires: 1927-04-05
Abstract
No abstract record available.
Inventors
- 👤 Richard Varley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:46
CPC Classifications
H; H05; H05B; H05B41/00; H05B41/14; H05B41/26; H05B41/28; H05B41/282; H05B41/2825; H05B41/2827
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) | 1910-07-01 | 1910-12-31 | 1911-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-07-01 | 1914-12-31 | 1915-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-07-01 | 1918-12-31 | 1919-07-02 | $7700.00 | Window Closed / Lapsed |