US3424442A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling tower water distributor
Assignee: Acme Industries Inc
•
Filing: 1966-09-06
•
Granted: 1969-01-28
•
Expires: 1986-09-06
Abstract
No abstract record available.
Inventors
- 👤 John B Greenfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:00
CPC Classifications
F; F28; F28F; F28F25/00; F28F25/02; F28F25/06; B; B05; B05B; B05B3/00; B05B3/14; B05B3/16; Y; 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) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |