US2445154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blade mounting
Assignee: Ingersoll Rand Co
•
Filing: 1944-03-04
•
Granted: 1948-07-13
•
Expires: 1964-03-04
Abstract
No abstract record available.
Inventors
- 👤 Robert H Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:07
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/30; F01D5/3023; F16; F16B; F16B3/00; F16B3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US890635A
Cited
US901228A
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US1085325A
Cited
US1423466A
Cited
US1535417A
Cited
FR663020A
Cited
US1793468A
Cited
US1891612A
Cited
US2025171A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-13 | 1952-01-12 | 1952-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-13 | 1956-01-12 | 1956-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-13 | 1960-01-12 | 1960-07-13 | $7700.00 | Window Closed / Lapsed |