Patent US2432336A successfully refreshed from Google Patents.
Patent US1670980A successfully refreshed from Google Patents.
US1670980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gosta osvaid
Assignee: —
•
Filing: —
•
Granted: 1928-05-22
•
Expires: 1945-05-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:22
CPC Classifications
A; A01; A01N; A01N43/00; A01N43/02; A01N43/24; C; C07; C07D; C07D309/00; C07D309/02; C07D309/04; Y; Y10; Y10S; Y10S47/00; Y10S47/09
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) | 1931-05-22 | 1931-11-21 | 1932-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-05-22 | 1935-11-21 | 1936-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-05-22 | 1939-11-21 | 1940-05-22 | $7700.00 | Window Closed / Lapsed |