US1301438A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piston-ring.
Assignee: GEORGE FLANNERY
•
Filing: 1917-02-01
•
Granted: 1919-04-22
•
Expires: 1937-02-01
Abstract
No abstract record available.
Inventors
- 👤 John P Higley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:11
CPC Classifications
F; F16; F16J; F16J9/00; F16J9/12; F16J9/14; F16J9/16
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) | 1922-04-21 | 1922-10-21 | 1923-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-04-21 | 1926-10-21 | 1927-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-04-21 | 1930-10-21 | 1931-04-22 | $7700.00 | Window Closed / Lapsed |