US1130872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal-combustion engine.
Assignee: Robinson and Robinson
•
Filing: 1913-05-31
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Granted: 1915-03-09
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Expires: 1933-05-31
Abstract
No abstract record available.
Inventors
- 👤 Aage E Winckler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:30
CPC Classifications
F; F02; F02F; F02F1/00; F02F1/24; F02F2001/244; F02F2001/247
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) | 1918-03-08 | 1918-09-07 | 1919-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-03-08 | 1922-09-07 | 1923-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-03-08 | 1926-09-07 | 1927-03-09 | $7700.00 | Window Closed / Lapsed |