US1137422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface condenser.
Assignee: ALBERGER PUMP AND CONDENSER Co
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Filing: 1912-09-24
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Granted: 1915-04-27
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Expires: 1932-09-24
Abstract
No abstract record available.
Inventors
- 👤 Frederick Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:59
CPC Classifications
F; F28; F28B; F28B1/00; F28B1/02; Y; Y10; Y10S; Y10S165/00; Y10S165/184; Y10S165/205; Y10S165/207; Y10S165/211
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1918-04-26 | 1918-10-26 | 1919-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-04-26 | 1922-10-26 | 1923-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-04-26 | 1926-10-26 | 1927-04-27 | $7700.00 | Window Closed / Lapsed |