Patent US1885870A successfully refreshed from Google Patents.
US1885870A
Expired / Lapsed
US
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Process of flame-proofing and product formed thereby
Assignee: Individual
•
Filing: 1930-08-09
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Granted: 1932-11-01
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Expires: 1950-08-09
Abstract
No abstract record available.
Inventors
- 👤 Snyder Chester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:46
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/244; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31906; Y10T442/00; Y10T442/20; Y10T442/2041; Y10T442/2098; Y10T442/2631; Y10T442/2713
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) | 1935-11-01 | 1936-05-02 | 1936-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-11-01 | 1940-05-02 | 1940-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-11-01 | 1944-05-02 | 1944-11-01 | $7700.00 | Window Closed / Lapsed |