US2934110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making shingle panels
Assignee: Shakertown Corp
•
Filing: 1957-01-29
•
Granted: 1960-04-26
•
Expires: 1977-01-29
Abstract
No abstract record available.
Inventors
- 👤 Frank S Barker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:27
CPC Classifications
B; B27; B27M; B27M3/00; B27M3/02; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1722; Y10T156/1724; Y10T156/1744; Y10T156/1751; Y10T156/1754; Y10T83/00; Y10T83/647; Y10T83/6492; Y10T83/6494
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US436237A
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FR319958A
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US794874A
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US921618A
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US1129933A
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US1939157A
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US1720803A
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US1977199A
Cited
US2202082A
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US2625978A
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US2668348A
Cited
US2656296A
Cited
FR1113853A
Cited
US2820733A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |