Patent US3060972A successfully refreshed from Google Patents.
US3060972A
Expired / Lapsed
US
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Flexible tube structures
Assignee: Bausch and Lomb Inc
•
Filing: 1957-08-22
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Granted: 1962-10-30
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Expires: 1977-08-22
Abstract
No abstract record available.
Inventors
- 👤 Gilbert J Sheldon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:16
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/005; A61B1/0051; A61B1/0055; B; B25; B25J; B25J18/00; B25J18/06; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/20456
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US944830A
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US1044044A
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US1482576A
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US2241576A
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US2540141A
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US2498692A
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US2799274A
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US2975785A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |