Patent US2585046A successfully refreshed from Google Patents.
Patent US2726460A successfully refreshed from Google Patents.
US2726460A
Expired / Lapsed
US
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Reversible board and support therefor
Assignee: Harris Preble Fire Doors Inc
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Filing: 1952-11-20
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Granted: 1955-12-13
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Expires: 1972-11-20
Abstract
No abstract record available.
Inventors
- 👤 James M Jecmen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:37
CPC Classifications
A; A47; A47B; A47B97/00; A47B97/04; B; B43; B43L; B43L1/00; B43L1/04; B43L1/06
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) | 1958-12-12 | 1959-06-13 | 1959-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-12 | 1963-06-13 | 1963-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-12 | 1967-06-13 | 1967-12-13 | $7700.00 | Window Closed / Lapsed |