US2703702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condenser coil assembly
Assignee: Heintz Manufacturing Co
•
Filing: 1952-01-18
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Granted: 1955-03-08
•
Expires: 1972-01-18
Abstract
No abstract record available.
Inventors
- 👤 William J Meinel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:24
CPC Classifications
F; F25; F25B; F25B39/00; F25B39/04; F25D; F25D23/00; F25D23/006; Y; Y10; Y10S; Y10S165/00; Y10S165/327; Y10S165/328; Y10S165/33; Y10T; Y10T29/00; Y10T29/49; Y10T29/49396
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB307219A
Cited
US1880877A
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US1833291A
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US1982075A
Cited
US2268885A
Cited
US2471582A
Cited
US2517212A
Cited
US2619328A
Cited
US2661191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-07 | 1958-09-06 | 1959-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-07 | 1962-09-06 | 1963-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-07 | 1966-09-06 | 1967-03-08 | $7700.00 | Window Closed / Lapsed |