Patent US846839A successfully refreshed from Google Patents.
US3000376A
Expired / Lapsed
US
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Incubators for infants
Assignee: O E M CORP
•
Filing: 1957-04-23
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Granted: 1961-09-19
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Expires: 1977-04-23
Abstract
No abstract record available.
Inventors
- 👤 Smith William Harold
- 👤 Frohner Rudolph
- 👤 Roy T Adolphson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:29
CPC Classifications
A; A61; A61G; A61G11/00; A61G11/009; A61G11/005; A61G11/008
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |