US3440669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Household toilet waste disposal unit and method
Assignee: Individual
•
Filing: 1967-04-03
•
Granted: 1969-04-29
•
Expires: 1987-04-03
Abstract
No abstract record available.
Inventors
- 👤 Carl F Boester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:12
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/12; C02F3/1236; C02F3/1242; E; E03; E03D; E03D5/00; E03D5/016; Y; Y02; Y02W; Y02W10/00; Y02W10/10; Y10; Y10S; Y10S4/00; Y10S4/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1303358A
Cited
US2798227A
Cited
US2798228A
Cited
US2858939A
Cited
US3051315A
Cited
US3005205A
Cited
US3135686A
Cited
US3210053A
Cited
US3342337A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |