US2424852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carrier
Assignee: Individual
•
Filing: 1946-02-12
•
Granted: 1947-07-29
•
Expires: 1966-02-12
Abstract
No abstract record available.
Inventors
- 👤 George C Rush
- 👤 Bailey Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:29
CPC Classifications
B; B62; B62B; B62B1/00; B62B1/26; B62B1/264; B62B2202/00; B62B2202/02; B62B2202/026; B62B2203/00; B62B2203/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1637640A
Cited
US1787742A
Cited
GB365207A
Cited
US2081504A
Cited
US2251591A
Cited
US2396325A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-07-28 | 1951-01-27 | 1951-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-28 | 1955-01-27 | 1955-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-28 | 1959-01-27 | 1959-07-29 | $7700.00 | Window Closed / Lapsed |