US2483230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of and apparatus for securing parts to rotor blade spars
Assignee: Parsons Corp
•
Filing: 1946-05-03
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Granted: 1949-09-27
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Expires: 1966-05-03
Abstract
No abstract record available.
Inventors
- 👤 John T Parsons
- 👤 Erik R Brogren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:21
CPC Classifications
B; B23; B23K; B23K31/00; B23K31/02; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1089; Y10T156/17; Y10T156/1702; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/4932; Y10T29/49321
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1297643A
Cited
US2284563A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-26 | 1953-03-28 | 1953-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-26 | 1957-03-28 | 1957-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-26 | 1961-03-28 | 1961-09-27 | $7700.00 | Window Closed / Lapsed |