US3428077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soil and surface water disposal system
Assignee: Marscar Ltd
•
Filing: 1966-06-08
•
Granted: 1969-02-18
•
Expires: 1986-06-08
Abstract
No abstract record available.
Inventors
- 👤 Peter Noel Henry Scarfe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:02
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03F; E03F5/00; E03F5/02; E03F5/04; E03F5/0401; E03F2005/0412; E03F2005/0414; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6966; Y10T137/6991
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US417003A
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US709395A
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US725793A
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GB190814289A
Cited
US1044417A
Cited
US1209800A
Cited
US1772214A
Cited
US2153789A
Cited
FR1054246A
Cited
US2887759A
Cited
US2832202A
Cited
US3221881A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |