US3405535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature controlled flow control device and refrigeration system including such device
Assignee: Controls Company of America
•
Filing: 1966-02-10
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Granted: 1968-10-15
•
Expires: 1986-02-10
Abstract
No abstract record available.
Inventors
- 👤 Alan A Matthies
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:17
CPC Classifications
F; F25; F25B; F25B41/00; F25B41/30; F25B41/31; F25B41/34; F25B41/355; F25B41/325; F25B2341/00; F25B2341/06; F25B2341/068; F25B2341/0683; Y; Y02; Y02B; Y02B30/00; Y02B30/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2520191A
Cited
US2400335A
Cited
US2539062A
Cited
US2453439A
Cited
US2564421A
Cited
US3205675A
Cited
US3119559A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-15 | 1972-04-15 | 1972-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-15 | 1976-04-15 | 1976-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-15 | 1980-04-15 | 1980-10-15 | $7700.00 | Window Closed / Lapsed |