Patent US3888593A successfully refreshed from Google Patents.
US2561079A
Expired / Lapsed
US
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Sliding door assemblies
Assignee: Huttig Sash and Door Co
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Filing: 1946-11-21
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Granted: 1951-07-17
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Expires: 1966-11-21
Abstract
No abstract record available.
Inventors
- 👤 Sr Earl M Trammell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:18
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/42; E06B3/46; E06B3/4654
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1048240A
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US1181331A
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US2027920A
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US2039866A
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FR813622A
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US2179362A
Cited
US2287959A
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US2378666A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-16 | 1955-01-15 | 1955-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-16 | 1959-01-15 | 1959-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-16 | 1963-01-15 | 1963-07-17 | $7700.00 | Window Closed / Lapsed |