US2640908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for progressively bonding sheet material
Assignee: United Shoe Machinery Corp
•
Filing: 1947-11-07
•
Granted: 1953-06-02
•
Expires: 1967-11-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Edward Sohier Welch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:55
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/80; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C65/00; B29C65/02; B29C65/04; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/346; B29C66/3462; B29C66/81; B29C66/814; B29C66/8141; B29C66/81427; B29C66/816; B29C66/8161; B29C66/82; B29C66/822; B29C66/8221; B29C66/8225; B29C66/8226; B29C66/82263; B29C66/83413; B29C66/84; B29C66/845; B29C66/90; B29C66/91; B29C66/914; B29C66/9161; B29C66/91651; H; H05; H05B; H05B6/00; H05B6/46; H05B6/48; H05B6/50; B29C66/40; B29C66/41; B29C66/43; B29C66/70; B29C66/71; B29C66/8223; B29C66/82265
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2169818A
Cited
US2144779A
Cited
US2276994A
Cited
US2236998A
Cited
US2376162A
Cited
US2401991A
Cited
US2434573A
Cited
US2525356A
Cited
US2400472A
Cited
US2407833A
Cited
US2453680A
Cited
US2473143A
Cited
US2432412A
Cited
US2477040A
Cited
GB613419A
Cited
US2516324A
Cited
US2522823A
Cited
US2504754A
Cited
US2446623A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-01 | 1956-12-01 | 1957-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-01 | 1960-12-01 | 1961-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-01 | 1964-12-01 | 1965-06-02 | $7700.00 | Window Closed / Lapsed |