Patent US2987099A successfully refreshed from Google Patents.
US2987099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for mounting films and other inserts in cards
Assignee: 3M Co
•
Filing: 1957-03-28
•
Granted: 1961-06-06
•
Expires: 1977-03-28
Abstract
No abstract record available.
Inventors
- 👤 Leo C Williams
- 👤 Clifford P Rounsefell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:27
CPC Classifications
B; B31; B31D; B31D1/00; B31D1/0075; B31D1/0081; B31D1/0087; Y; Y10; Y10S; Y10S493/00; Y10S493/944; Y10T; Y10T156/00; Y10T156/12; Y10T156/1304; Y10T156/1309; Y10T156/17; Y10T156/1702; Y10T156/1744; Y10T156/1746; Y10T156/19; Y10T156/1994
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1459693A
Cited
US1304943A
Cited
US2365977A
Cited
US2519491A
Cited
US2423601A
Cited
US2555218A
Cited
US2493159A
Cited
US2666543A
Cited
US2570176A
Cited
US2511232A
Cited
US2591519A
Cited
US2588087A
Cited
US2643786A
Cited
US2717710A
Cited
US2725100A
Cited
US2697507A
Cited
US2711984A
Cited
US2738007A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |