Patent US2632410A successfully refreshed from Google Patents.
Patent US2069145A successfully refreshed from Google Patents.
US2069145A
Expired / Lapsed
US
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Liquid vaporizing and air humidifying apparatus
Assignee: ROCHESTER Manufacturing CO Inc
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Filing: 1935-09-20
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Granted: 1937-01-26
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Expires: 1955-09-20
Abstract
No abstract record available.
Inventors
- 👤 Hastings Herbert
- 👤 William B Connolly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:03
CPC Classifications
F; F24; F24D; F24D5/00; Y; Y10; Y10S; Y10S261/00; Y10S261/34; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7439; Y10T137/7465; Y10T137/7472
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) | 1940-01-26 | 1940-07-27 | 1941-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-01-26 | 1944-07-27 | 1945-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-01-26 | 1948-07-27 | 1949-01-26 | $7700.00 | Window Closed / Lapsed |