US2983450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically heated vapor spray generator
Assignee: Homestead Valve Manufacturing Co
•
Filing: 1958-12-12
•
Granted: 1961-05-09
•
Expires: 1978-12-12
Abstract
No abstract record available.
Inventors
- 👤 Jr Scott A Norris
- 👤 Jr Donald M Simmons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:44
CPC Classifications
B; B08; B08B; B08B3/00; B08B3/02; B08B3/026; F; F22; F22B; F22B1/00; F22B1/28; F22B1/282; B08B2203/00; B08B2203/007; B08B2230/00; B08B2230/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US965333A
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US1905439A
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US2041071A
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US2117419A
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FR994870A
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US2627015A
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US2623153A
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US2720868A
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US2790678A
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US2851053A
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US2919070A
Cited
US2861838A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |