Patent US2648842A successfully refreshed from Google Patents.
US2648842A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanism for making wire reinforced fabric spring liners or the like
Assignee: Van Dresser Specialty Corp
•
Filing: 1950-05-17
•
Granted: 1953-08-18
•
Expires: 1970-05-17
Abstract
No abstract record available.
Inventors
- 👤 Newton E Shockey
- 👤 Wilkins Howard Wendall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:01
CPC Classifications
B; B21; B21F; B21F17/00; B31; B31F; B31F5/00; B31F5/06; B31F5/08; B31F5/085
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1316257A
Cited
US1690100A
Cited
US2077439A
Cited
US2053260A
Cited
US1966256A
Cited
US1930330A
Cited
US2099586A
Cited
US2170673A
Cited
US2218749A
Cited
US2218758A
Cited
US2355796A
Cited
US2467565A
Cited
US2467572A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-17 | 1957-02-16 | 1957-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-17 | 1961-02-16 | 1961-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-17 | 1965-02-16 | 1965-08-18 | $7700.00 | Window Closed / Lapsed |