Patent US2730133A successfully refreshed from Google Patents.
US2730133A
Expired / Lapsed
US
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Reinforced fireproof hose
Assignee: Dunlop Rubber Co Ltd
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Filing: 1952-02-02
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Granted: 1956-01-10
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Expires: 1972-02-02
Abstract
No abstract record available.
Inventors
- 👤 Holland-Bowyer Wilfrid
- 👤 Woodward James Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:47
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/001; B29K; B29K2021/00; B29K2105/00; B29K2105/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US945686A
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US1068491A
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US1178559A
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US1726957A
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US2047770A
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US2173359A
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US2393496A
Cited
US2577049A
Cited
GB617025A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |