Patent US2501510A successfully refreshed from Google Patents.
US2501510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marine toilet
Assignee: Individual
•
Filing: 1946-03-27
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Granted: 1950-03-21
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Expires: 1966-03-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Angus Roy Gross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:21
CPC Classifications
B; B63; B63B; B63B29/00; B63B29/16; B63B29/02; B63B29/14; B63J; B63J4/00; B63J4/006; E; E03; E03D; E03D1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US591190A
Cited
US751210A
Cited
GB190014098A
Cited
US863843A
Cited
US1278665A
Cited
US1530380A
Cited
US2047866A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-20 | 1953-09-19 | 1954-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-20 | 1957-09-19 | 1958-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-20 | 1961-09-19 | 1962-03-21 | $7700.00 | Window Closed / Lapsed |