US1467256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine piston
Assignee: Individual
•
Filing: 1922-04-17
•
Granted: 1923-09-04
•
Expires: 1942-04-17
Abstract
No abstract record available.
Inventors
- 👤 Thomson John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:10
CPC Classifications
F; F16; F16J; F16J9/00; F16J9/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49249; Y10T29/49256; Y10T29/49274; Y10T29/49284
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) | 1926-09-03 | 1927-03-05 | 1927-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-09-03 | 1931-03-05 | 1931-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-09-03 | 1935-03-05 | 1935-09-04 | $7700.00 | Window Closed / Lapsed |