Patent US2772646A successfully refreshed from Google Patents.
US2772646A
Expired / Lapsed
US
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Making and compressing corrugated flexible hose in one operation
Assignee: TITEFLEX Inc
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Filing: 1952-03-18
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Granted: 1956-12-04
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Expires: 1972-03-18
Abstract
No abstract record available.
Inventors
- 👤 Philip M Padgett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:47
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/12; B21C37/124
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US794433A
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US998214A
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US2033717A
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US2023417A
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US2268088A
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US2350070A
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US2383253A
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US2496790A
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US2481490A
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US2595747A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |