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Patent US3480003A successfully refreshed from Google Patents.
US3480003A
Expired / Lapsed
US
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Apparatus for measuring esophageal motility
Assignee: Battelle Development Corp
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Filing: 1967-02-03
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Granted: 1969-11-25
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Expires: 1987-02-03
Abstract
No abstract record available.
Inventors
- 👤 Nelson A Crites
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:48
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/42; A61B5/4222; A61B5/4233; A61B1/00; A61B1/273; A61B1/2733; A61B5/03; A61B5/036; A61B5/037
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2634721A
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US2931225A
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US2981911A
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US2976865A
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US3242449A
Cited
US3219035A
Cited
US3196375A
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US3325761A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |