US2046789A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piston
Assignee: Cleveland Trust Co
•
Filing: 1933-08-01
•
Granted: 1936-07-07
•
Expires: 1953-08-01
Abstract
No abstract record available.
Inventors
- 👤 Allen B Norton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:41
CPC Classifications
F; F16; F16J; F16J1/00; F16J1/04; F02; F02F; F02F3/00; F02F3/02; F02F3/025; F05; F05C; F05C2201/00; F05C2201/02; F05C2201/021
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) | 1939-07-07 | 1940-01-06 | 1940-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-07-07 | 1944-01-06 | 1944-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-07-07 | 1948-01-06 | 1948-07-07 | $7700.00 | Window Closed / Lapsed |