US3055645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Humidifier assembly
Assignee: Individual
•
Filing: 1958-05-26
•
Granted: 1962-09-25
•
Expires: 1978-05-26
Abstract
No abstract record available.
Inventors
- 👤 Feldermann Florence Barbara
- 👤 Feldermann John Bruce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:22
CPC Classifications
F; F24; F24F; F24F6/00; F24F6/12; F24F6/16; Y; Y10; Y10S; Y10S261/00; Y10S261/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US916146A
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US1656414A
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US2022415A
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US2125581A
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GB527401A
Cited
FR856676A
Cited
US2268540A
Cited
US2530195A
Cited
US2591057A
Cited
US2694042A
Cited
US2766027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |