US1271670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Priming device for internal-combustion engines.
Assignee: Westinghouse Electric Corp
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Filing: 1913-11-05
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Granted: 1918-07-09
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Expires: 1933-11-05
Abstract
No abstract record available.
Inventors
- 👤 Frank Conrad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:25
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/0644; F16K31/0655
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) | 1921-07-08 | 1922-01-07 | 1922-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-07-08 | 1926-01-07 | 1926-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-07-08 | 1930-01-07 | 1930-07-09 | $7700.00 | Window Closed / Lapsed |