US2918977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blade assembly
Assignee: Beazer East Inc
•
Filing: 1956-06-25
•
Granted: 1959-12-29
•
Expires: 1976-06-25
Abstract
No abstract record available.
Inventors
- 👤 Sidney H Fedan
- 👤 Norman J Ely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:35
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/26; F04D29/32; F04D29/34; F04D29/38; F04D29/388
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1000602A
Cited
US1456512A
Cited
US1457844A
Cited
US1473121A
Cited
US1516556A
Cited
US2259247A
Cited
US2454200A
Cited
US2430854A
Cited
US2535917A
Cited
US2786538A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |