US2935197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grease trap device
Assignee: Individual
•
Filing: 1958-09-17
•
Granted: 1960-05-03
•
Expires: 1978-09-17
Abstract
No abstract record available.
Inventors
- 👤 Elmore B Marple
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:10
CPC Classifications
F; F16; F16T; F16T1/00; F16T1/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US617057A
Cited
USRE23628E
Cited
US1396889A
Cited
US1450545A
Cited
US1938604A
Cited
US2661094A
Cited
US2776054A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |