US3441369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for conserving water
Assignee: Texaco Inc
•
Filing: 1965-06-01
•
Granted: 1969-04-29
•
Expires: 1985-06-01
Abstract
No abstract record available.
Inventors
- 👤 Frederic C Mccoy
- 👤 Edwin C Knowles
- 👤 Howard V Hess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:18
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/16; C; C02; C02F; C02F1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3146059A
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 |