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US3199256A
Expired / Lapsed
US
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Roofing structure
Assignee: Individual
•
Filing: 1962-02-12
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Granted: 1965-08-10
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Expires: 1982-02-12
Abstract
No abstract record available.
Inventors
- 👤 James L Considder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:33
CPC Classifications
E; E04; E04D; E04D13/00; E04D13/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US846572A
Cited
US872599A
Cited
US1906674A
Cited
US2544779A
Cited
US2942703A
Cited
US2857861A
Cited
US2929237A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |