US3452368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable waste disposer
Assignee: FTS Corp
•
Filing: 1966-10-07
•
Granted: 1969-07-01
•
Expires: 1986-10-07
Abstract
No abstract record available.
Inventors
- 👤 John R Couper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:36
CPC Classifications
A; A47; A47K; A47K11/00; A47K11/02; A47K11/026; B; B65; B65F; B65F1/00; B65F1/04; B65F1/06; B65F1/062; Y; Y02; Y02A; Y02A50/00; Y02A50/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US97135A
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US2067958A
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US2041187A
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US2671906A
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US2801426A
Cited
US2794989A
Cited
US3070931A
Cited
US3142847A
Cited
US3158874A
Cited
US3381315A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |