US2435646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for the manufacture of asbestos-cement products
Assignee: Turner and Newall Ltd
•
Filing: 1941-05-23
•
Granted: 1948-02-10
•
Expires: 1961-05-23
Abstract
No abstract record available.
Inventors
- 👤 Cann John Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:41
CPC Classifications
B; B28; B28B; B28B13/00; B28B13/02; B28B1/00; B28B1/52; B28B1/526
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE18626E
Cited
US1651407A
Cited
US837718A
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GB190606918A
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GB190727920A
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GB191220485A
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US1268203A
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US1199683A
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DE520348C
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US2182355A
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US2004936A
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US2102004A
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US2198800A
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US2369608A
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US2252991A
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US2295258A
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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) | 1951-02-09 | 1951-08-11 | 1952-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-09 | 1955-08-11 | 1956-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-09 | 1959-08-11 | 1960-02-10 | $7700.00 | Window Closed / Lapsed |