US2916110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Airtight joints for air conducting floor cells
Assignee: Hospitality Homes
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Filing: 1956-11-21
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Granted: 1959-12-08
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Expires: 1976-11-21
Abstract
No abstract record available.
Inventors
- 👤 Bernard E Curran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:52
CPC Classifications
F; F24; F24D; F24D5/00; F24D5/06; F24D5/10; F24D5/02; F24F; F24F13/00; F24F13/02; F24F13/0209; F24F13/0227; Y; Y10; Y10T; Y10T403/00; Y10T403/71; Y10T403/7152
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |