US1956734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bucket cleaner
Assignee: AUSTIN MACHINERY Corp
•
Filing: 1929-09-03
•
Granted: 1934-05-01
•
Expires: 1949-09-03
Abstract
No abstract record available.
Inventors
- 👤 Hilbert E Swanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:56
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/08; E02F3/12; E02F3/14; E02F3/144; Y; Y10; Y10S; Y10S37/00; Y10S37/901
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) | 1937-04-30 | 1937-10-30 | 1938-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-04-30 | 1941-10-30 | 1942-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-04-30 | 1945-10-30 | 1946-05-01 | $7700.00 | Window Closed / Lapsed |