US1729832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
jackson
Assignee: —
•
Filing: —
•
Granted: 1929-10-01
•
Expires: 1946-10-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:05
CPC Classifications
D; D06; D06N; D06N7/00; D06N7/0005; D06N7/0028; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24364; Y10T428/24802; Y10T428/24893; Y10T428/24909; Y10T428/24934; Y10T428/31504; Y10T428/31725; Y10T428/31768; Y10T428/31772; Y10T428/31775; Y10T428/31815; Y10T428/31844; Y10T428/31971; Y10T428/31975; Y10T428/31978; Y10T428/31982
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) | 1932-09-30 | 1933-04-01 | 1933-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-09-30 | 1937-04-01 | 1937-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-09-30 | 1941-04-01 | 1941-10-01 | $7700.00 | Window Closed / Lapsed |