US3494084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vertically adjustable underfloor trench
Assignee: Hospitality Homes
•
Filing: 1966-12-19
•
Granted: 1970-02-10
•
Expires: 1986-12-19
Abstract
No abstract record available.
Inventors
- 👤 John O Hazen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:19
CPC Classifications
E; E04; E04B; E04B5/00; E04B5/48; H; H02; H02G; H02G3/00; H02G3/28; H02G3/283; H02G9/00; H02G9/06; H02G9/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1987405A
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US2271924A
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GB515703A
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FR854137A
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US2503876A
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FR1149500A
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GB919494A
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US3084247A
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US3187922A
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US3101097A
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US3204378A
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FR1337128A
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FR1357069A
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US3262238A
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US3286412A
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US3329763A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-09 | 1973-08-11 | 1974-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-09 | 1977-08-11 | 1978-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-09 | 1981-08-11 | 1982-02-10 | $7700.00 | Window Closed / Lapsed |