US2567423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Powered carrier
Assignee: Individual
•
Filing: 1949-07-16
•
Granted: 1951-09-11
•
Expires: 1969-07-16
Abstract
No abstract record available.
Inventors
- 👤 Andrew C Cleghorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:33
CPC Classifications
B; B62; B62D; B62D51/00; B62D51/005; B62B; B62B5/00; B62B5/0026
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
NL49891C
Cited
DE379572C
Cited
GB191304968A
Cited
US1856683A
Cited
US1905589A
Cited
CH195196A
Cited
US2239122A
Cited
US2253288A
Cited
GB580222A
Cited
US2509824A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-10 | 1955-03-12 | 1955-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-10 | 1959-03-12 | 1959-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-10 | 1963-03-12 | 1963-09-11 | $7700.00 | Window Closed / Lapsed |