US3522613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waste disposal system
Assignee: Individual
•
Filing: 1968-10-21
•
Granted: 1970-08-04
•
Expires: 1988-10-21
Abstract
No abstract record available.
Inventors
- 👤 Samuel Botsford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:11
CPC Classifications
E; E03; E03D; E03D5/00; E03D5/016; A; A47; A47K; A47K11/00; A47K11/02; A47K11/023; E03D11/00; E03D11/02; E03D11/11; Y; Y02; Y02A; Y02A50/00; Y02A50/30; Y10; Y10S; Y10S4/00; Y10S4/19
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR1400325A
Cited
US3457567A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |