US1371016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-insulating material and method of making same
Assignee: BENTEX Co
•
Filing: 1920-06-18
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Granted: 1921-03-08
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Expires: 1940-06-18
Abstract
No abstract record available.
Inventors
- 👤 Clark H Bennett
- 👤 John F Palmer
- 👤 Frank V Wedlock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:40
CPC Classifications
C; C04; C04B; C04B26/00; C04B26/02; C04B26/26; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249975; Y10T428/249981; Y10T428/31504; Y10T428/31815; Y10T428/31826; Y10T428/3183
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) | 1924-03-07 | 1924-09-06 | 1925-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-03-07 | 1928-09-06 | 1929-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-03-07 | 1932-09-06 | 1933-03-08 | $7700.00 | Window Closed / Lapsed |