US3463172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tank unit for receiving and transporting sewer solids
Assignee: Naylor Pipe Cleaning Co
•
Filing: 1968-01-05
•
Granted: 1969-08-26
•
Expires: 1988-01-05
Abstract
No abstract record available.
Inventors
- 👤 William S Naylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:11
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/60; B60P3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2735122A
Cited
US1960392A
Cited
CH182065A
Cited
US2753877A
Cited
US3260368A
Cited
US3348687A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |