US3540966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for laminating films
Assignee: Shawmut Capital Corp
•
Filing: 1967-07-10
•
Granted: 1970-11-17
•
Expires: 1987-07-10
Abstract
No abstract record available.
Inventors
- 👤 Paul W Baker
- 👤 Edward J Retzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:43
CPC Classifications
B; B32; B32B; B32B27/00; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1722; Y10T156/1727; Y10T156/1729
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1195408A
Cited
US2734009A
Cited
US2432575A
Cited
US2706699A
Cited
US3037868A
Cited
US3230130A
Cited
US3262829A
Cited
US3322593A
Cited
US3457139A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-16 | 1974-05-18 | 1974-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-16 | 1978-05-18 | 1978-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-16 | 1982-05-18 | 1982-11-17 | $7700.00 | Window Closed / Lapsed |