US1700181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
russell
Assignee: —
•
Filing: —
•
Granted: 1929-01-29
•
Expires: 1946-01-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:45
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/42; E02F3/427; E02F3/30; E02F3/304; E02F3/308; E02F3/46; E02F3/47; E02F3/96
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) | 1932-01-29 | 1932-07-30 | 1933-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-01-29 | 1936-07-30 | 1937-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-01-29 | 1940-07-30 | 1941-01-29 | $7700.00 | Window Closed / Lapsed |