US1465545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marcel armand demongeot
Assignee: —
•
Filing: —
•
Granted: 1923-08-21
•
Expires: 1940-08-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:09
CPC Classifications
C; C03; C03B; C03B19/00; C03B19/06; Y; Y10; Y10S; Y10S264/00; Y10S264/66; Y10S425/00; Y10S425/11
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) | 1926-08-20 | 1927-02-19 | 1927-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-08-20 | 1931-02-19 | 1931-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-08-20 | 1935-02-19 | 1935-08-21 | $7700.00 | Window Closed / Lapsed |