Patent US2794448A successfully refreshed from Google Patents.
US2794448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Art of spray coating of tubes
Assignee: Columbia Cable and Electric Corp
•
Filing: 1952-01-18
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Granted: 1957-06-04
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Expires: 1972-01-18
Abstract
No abstract record available.
Inventors
- 👤 Israel H Marantz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:23
CPC Classifications
B; B05; B05B; B05B13/00; B05B13/02; B05B13/0221; B05B13/0235
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1997761A
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US1947493A
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US1978415A
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US2084209A
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US2066592A
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US2228102A
Cited
US2373638A
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US2320328A
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US2470689A
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US2427350A
Cited
US2447420A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-03 | 1960-12-03 | 1961-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-03 | 1964-12-03 | 1965-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-03 | 1968-12-03 | 1969-06-04 | $7700.00 | Window Closed / Lapsed |