US3440949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Processing waste recovery system
Assignee: HARRY B TRUSSELL
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Filing: 1965-10-22
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Granted: 1969-04-29
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Harry B Trussell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:05
CPC Classifications
B; B01; B01D; B01D37/00; B01D37/02; A; A23; A23N; A23N17/00; A23N17/002; B01D33/00; B01D33/04; B01D33/06; B01D33/11; B01D33/44; B01D33/46; B01D33/461; B01D33/463; B01D33/466; B01D33/48; B01D33/50; B01D33/70; B01D33/72; B01D33/76; B01D33/80; B01D33/804; B01D33/807
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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 |