US2940754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for mounting films and other inserts in cards
Assignee: 3M Co
•
Filing: 1957-03-29
•
Granted: 1960-06-14
•
Expires: 1977-03-29
Abstract
No abstract record available.
Inventors
- 👤 Stanley T Stoothoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:19
CPC Classifications
G; G06; G06K; G06K13/00; G06K13/02; G06K13/08; G06K13/10; G06K13/103; B; B31; B31D; B31D1/00; B31D1/0075; B31D1/0081; B31D1/0087; G03; G03D; G03D13/00; G03D13/02; G03D13/08; G03D13/10; G03D15/00; G03D15/10; Y; Y10; Y10T; Y10T83/00; Y10T83/647; Y10T83/6571
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |