Patent US1760820A successfully refreshed from Google Patents.
US1760820A
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Assignee: 3M Co
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Filing: 1928-05-28
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Granted: 1930-05-27
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Expires: 1948-05-28
Abstract
No abstract record available.
Inventors
- 👤 Drew Richard Gurley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:47
CPC Classifications
C; C09; C09J; C09J7/00; C09J7/20; C09J7/21; B; B05; B05B; B05B12/00; B05B12/16; B05B12/20; B05B12/24; C09J7/30; C09J7/38; Y; Y10; Y10S; Y10S206/00; Y10S206/813; Y10S24/00; Y10S24/11; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24446; Y10T428/24455; Y10T428/28; Y10T428/2852; Y10T428/2857
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1933-05-26 | 1933-11-25 | 1934-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-05-26 | 1937-11-25 | 1938-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-05-26 | 1941-11-25 | 1942-05-27 | $7700.00 | Window Closed / Lapsed |