US2832655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Obstetrical tables
Assignee: SHAMPAINE Co
•
Filing: 1956-02-13
•
Granted: 1958-04-29
•
Expires: 1976-02-13
Abstract
No abstract record available.
Inventors
- 👤 Roy T Adolphson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:35
CPC Classifications
A; A61; A61G; A61G13/00; A61G13/0009
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US529140A
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US556387A
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US1597086A
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US1952621A
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US2120732A
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US2257491A
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US2306031A
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US2577724A
Cited
US2605151A
Cited
US2682437A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |