Patent US3457567A successfully refreshed from Google Patents.
US3457567A
Expired / Lapsed
US
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Human waste disposal system
Assignee: JEREMY F CRISS
•
Filing: 1967-06-28
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Granted: 1969-07-29
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Expires: 1987-06-28
Abstract
No abstract record available.
Inventors
- 👤 Jeremy F Criss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:02
CPC Classifications
A; A47; A47K; A47K11/00; A47K11/02; A47K11/026; E; E03; E03D; E03D11/00; E03D11/02; E03D11/10; E03D5/00; E03D5/012; Y; Y02; Y02A; Y02A50/00; Y02A50/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2565720A
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US2671906A
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US2801426A
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US2794989A
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US2835215A
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US3059597A
Cited
US3092049A
Cited
US3405409A
Cited
US3401409A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |