US2834280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Louver
Assignee: Hospitality Homes
•
Filing: 1954-02-10
•
Granted: 1958-05-13
•
Expires: 1974-02-10
Abstract
No abstract record available.
Inventors
- 👤 Max B Feldman
- 👤 Oscar E Roseman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:28
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/02; E06B7/08; E06B7/084; E06B7/082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1217225A
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US1496378A
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GB208373A
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US1657625A
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GB317963A
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US1785682A
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US2265881A
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US2309717A
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US2373416A
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US2356325A
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US2394059A
Cited
US2480562A
Cited
US2574344A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |