US2725832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet metal roofing
Assignee: Individual
•
Filing: 1951-01-08
•
Granted: 1955-12-06
•
Expires: 1971-01-08
Abstract
No abstract record available.
Inventors
- 👤 Glen H Huntington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:04
CPC Classifications
E; E04; E04D; E04D3/00; E04D3/40; E04D3/36; E04D3/366
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1405966A
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US1900721A
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US2055127A
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US2070130A
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US2356833A
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US2358733A
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US2372827A
Cited
US2360107A
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US2408557A
Cited
US2520499A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-05 | 1959-06-06 | 1959-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-05 | 1963-06-06 | 1963-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-05 | 1967-06-06 | 1967-12-06 | $7700.00 | Window Closed / Lapsed |