US2605014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floating cover for sewage digesting apparatus
Assignee: Individual
•
Filing: 1949-10-26
•
Granted: 1952-07-29
•
Expires: 1969-10-26
Abstract
No abstract record available.
Inventors
- 👤 John H Wiggins
- 👤 John W Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:18
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1717100A
Cited
US2129266A
Cited
GB567243A
Cited
US2430592A
Cited
US2425771A
Cited
US2486823A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-29 | 1956-01-28 | 1956-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-29 | 1960-01-28 | 1960-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-29 | 1964-01-28 | 1964-07-29 | $7700.00 | Window Closed / Lapsed |