US2660077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for rolling sheet metal
Assignee: American Brass Co
•
Filing: 1946-02-02
•
Granted: 1953-11-24
•
Expires: 1966-02-02
Abstract
No abstract record available.
Inventors
- 👤 William B Macaulay
- 👤 John E Coolidge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:49
CPC Classifications
B; B21; B21B; B21B37/00; B21B37/16; B21B37/165; Y; Y10; Y10S; Y10S425/00; Y10S425/235
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2356579A
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US1818103A
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US1969536A
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US2114603A
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US2264095A
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US2275509A
Cited
US2279579A
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US2259323A
Cited
US2332289A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-23 | 1957-05-25 | 1957-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-23 | 1961-05-25 | 1961-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-23 | 1965-05-25 | 1965-11-24 | $7700.00 | Window Closed / Lapsed |