US2735635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
hoffman
Assignee: —
•
Filing: —
•
Granted: 1956-02-21
•
Expires: 1973-02-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:41
CPC Classifications
A; A62; A62C; A62C99/00; A62C99/009; B; B64; B64D; B64D37/00; B64D37/32
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR963199A
Cited
FR493293A
Cited
US1224678A
Cited
FR528823A
Cited
GB230899A
Cited
US1666112A
Cited
US2200610A
Cited
US2262722A
Cited
US2301483A
Cited
US2404418A
Cited
US2382817A
Cited
US2409245A
Cited
US2623721A
Cited
US2653780A
Cited
US2657884A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-20 | 1959-08-22 | 1960-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-20 | 1963-08-22 | 1964-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-20 | 1967-08-22 | 1968-02-21 | $7700.00 | Window Closed / Lapsed |