US3526393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling tower
Assignee: Individual
•
Filing: 1968-07-01
•
Granted: 1970-09-01
•
Expires: 1988-07-01
Abstract
No abstract record available.
Inventors
- 👤 George W Meek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:42
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/32; C; C09; C09B; C09B9/00; C09B9/02; F; F28; F28C; F28C1/00; F28C1/02; F28F; F28F25/00; F28F25/02; F28F25/08; F28F25/087; B01J2219/00; B01J2219/32; B01J2219/322; B01J2219/32203; B01J2219/3221; B01J2219/32213; B01J2219/3222; B01J2219/32224; B01J2219/32227; B01J2219/32255; B01J2219/32258; B01J2219/324; B01J2219/32425; B01J2219/32458; B01J2219/32483; Y; Y02; Y02B; Y02B30/00; Y02B30/70; Y02P; Y02P20/00; Y02P20/10; Y10; Y10S; Y10S261/00; Y10S261/11
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) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |