US2965989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
End bits for blades
Assignee: Individual
•
Filing: 1958-05-23
•
Granted: 1960-12-27
•
Expires: 1978-05-23
Abstract
No abstract record available.
Inventors
- 👤 Myrthan R Hibbard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:36
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/80; E02F3/815; E02F3/8152
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US309553A
Cited
US2732639A
Cited
US1765218A
Cited
US2166800A
Cited
US2329831A
Cited
US2310396A
Cited
US2914868A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |