US2965949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machines for forming and coating roofing tiles
Assignee: Individual
•
Filing: 1957-10-07
•
Granted: 1960-12-27
•
Expires: 1977-10-07
Abstract
No abstract record available.
Inventors
- 👤 Gus W Lang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:56
CPC Classifications
B; B28; B28B; B28B11/00; B28B11/04; B28B5/00; B28B5/02; B28B5/021; B28B5/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2734249A
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US1377188A
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US1559499A
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US1559500A
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US1750113A
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US2320728A
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US2531574A
Cited
US2683297A
Cited
US2641819A
Cited
GB739860A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |