US3149019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible resinous insulating sheet structure
Assignee: 3M Co
•
Filing: 1955-12-15
•
Granted: 1964-09-15
•
Expires: 1975-12-15
Abstract
No abstract record available.
Inventors
- 👤 Thaddeus J Skotnicki
- 👤 Bertrand Y Auger
- 👤 Charles K Heasley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:07
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/02; H01B3/08; H01B3/084; B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/08; B29C70/083; B29C70/28; B29C70/40; B29C70/50; B29C70/504; B29K; B29K2995/00; B29K2995/0003; B29K2995/0007; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T442/00; Y10T442/30; Y10T442/3707; Y10T442/378; Y10T442/3813
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |