Patent US4008717A successfully refreshed from Google Patents.
US2444830A
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Adhesive sheet and method of making
Assignee: 3M Co
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Filing: 1938-04-04
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Granted: 1948-07-06
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Expires: 1958-04-04
Abstract
No abstract record available.
Inventors
- 👤 Kellgren Waldo
- 👤 Hubert J Tierney
- 👤 Drew Richard Gurley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:45
CPC Classifications
C; C09; C09J; C09J7/00; C09J7/20; C09J7/21; C09J2400/00; C09J2400/20; C09J2400/28; C09J2400/283; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249982; Y10T428/249983; Y10T428/249985; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/266; Y10T428/28; Y10T428/2804; Y10T428/2835; Y10T428/2843; Y10T428/2848; Y10T428/2852; Y10T428/2857; Y10T428/31
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) | 1951-07-06 | 1952-01-05 | 1952-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-06 | 1956-01-05 | 1956-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-06 | 1960-01-05 | 1960-07-06 | $7700.00 | Window Closed / Lapsed |