US2455044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parachute
Assignee: Individual
•
Filing: 1945-11-19
•
Granted: 1948-11-30
•
Expires: 1965-11-19
Abstract
No abstract record available.
Inventors
- 👤 Caplan Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:42
CPC Classifications
B; B64; B64D; B64D25/00; B64D25/08; B64D25/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1693518A
Cited
US1011683A
Cited
US1017998A
Cited
US1134884A
Cited
US1428013A
Cited
US1836319A
Cited
US1747215A
Cited
US1791871A
Cited
US2120477A
Cited
US2318674A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-30 | 1952-05-31 | 1952-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-30 | 1956-05-31 | 1956-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-30 | 1960-05-31 | 1960-11-30 | $7700.00 | Window Closed / Lapsed |