US2612992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roll pull tab
Assignee: DOESKIN PRODUCTS Inc
•
Filing: 1950-02-03
•
Granted: 1952-10-07
•
Expires: 1970-02-03
Abstract
No abstract record available.
Inventors
- 👤 Thornton W Tinkham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:48
CPC Classifications
A; A47; A47K; A47K10/00; A47K10/16; B; B65; B65H; B65H2301/00; B65H2301/40; B65H2301/41; B65H2301/414; B65H2301/4144; B65H2301/41441; B65H2301/41442; B65H2301/414425
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-07 | 1956-04-07 | 1956-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-07 | 1960-04-07 | 1960-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-07 | 1964-04-07 | 1964-10-07 | $7700.00 | Window Closed / Lapsed |