Patent US1907982A successfully refreshed from Google Patents.
US1907982A
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US
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Foam
Assignee: United States Gypsum Co
•
Filing: 1927-04-22
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Granted: 1933-05-09
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Expires: 1947-04-22
Abstract
No abstract record available.
Inventors
- 👤 George D King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:25
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/02; C04B24/00; C04B24/24; C04B24/38; C04B24/383; Y; Y10; Y10S; Y10S516/00; Y10S516/01
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) | 1936-05-08 | 1936-11-07 | 1937-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-05-08 | 1940-11-07 | 1941-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-05-08 | 1944-11-07 | 1945-05-09 | $7700.00 | Window Closed / Lapsed |