US2787941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Platen tape applying method and apparatus
Assignee: 3M Co
•
Filing: 1952-02-18
•
Granted: 1957-04-09
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Expires: 1972-02-18
Abstract
No abstract record available.
Inventors
- 👤 Walter S Aldrich
- 👤 Robert H Hanes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:15
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/74; B31B50/81; B31B50/812; B31B50/8125; B31B50/8126; B31B50/8129; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T156/103; Y10T156/1052; Y10T156/12; Y10T156/1317; Y10T156/1343
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1861144A
Cited
US2109527A
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US2324745A
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US2350244A
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US2401298A
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US2591559A
Cited
US2564901A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-08 | 1960-10-08 | 1961-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-08 | 1964-10-08 | 1965-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-08 | 1968-10-08 | 1969-04-09 | $7700.00 | Window Closed / Lapsed |