US2754784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of a metal tube which may form part of an electric cable
Assignee: Balfour Beatty PLC
•
Filing: 1952-02-12
•
Granted: 1956-07-17
•
Expires: 1972-02-12
Abstract
No abstract record available.
Inventors
- 👤 Maysmor Charles William Kinsey
- 👤 Ward George Richard
- 👤 Webster George Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:54
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49826; Y10T29/49885
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US993195A
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US1114508A
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US1586249A
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US1685269A
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US1918197A
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US2296435A
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US2255472A
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US2210338A
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US2234450A
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US2258681A
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US2336544A
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US2475566A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |