US2718012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-contained toilet unit and pump usable therewith
Assignee: Individual
•
Filing: 1952-10-11
•
Granted: 1955-09-20
•
Expires: 1972-10-11
Abstract
No abstract record available.
Inventors
- 👤 Howe Elra Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:48
CPC Classifications
E; E03; E03D; E03D9/00; E03D9/10; B; B63; B63B; B63B29/00; B63B29/02; B63B29/14; B63B29/16; B63J; B63J4/00; B63J4/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1996325A
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US2047866A
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US2315824A
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US2414964A
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US2496359A
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US2508583A
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US2670137A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-19 | 1959-03-21 | 1959-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-19 | 1963-03-21 | 1963-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-19 | 1967-03-21 | 1967-09-20 | $7700.00 | Window Closed / Lapsed |