Patent US2986782A successfully refreshed from Google Patents.
US2986782A
Expired / Lapsed
US
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Composite sheathing
Assignee: Individual
•
Filing: 1956-12-28
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Granted: 1961-06-06
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Expires: 1976-12-28
Abstract
No abstract record available.
Inventors
- 👤 Elmendorf Armin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:06
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/10; E04C2/24; Y; Y10; Y10T; Y10T428/00; Y10T428/16; Y10T428/161; Y10T428/169; Y10T428/19; Y10T428/192; Y10T428/197; Y10T428/31504; Y10T428/31826; Y10T428/3183
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2642371A
Cited
US2379163A
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US2419614A
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US2569831A
Cited
US2717420A
Cited
US2853413A
Cited
US2835622A
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 |