US2340971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Johnson and Johnson
•
Filing: 1939-04-25
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Granted: 1944-02-08
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Expires: 1959-04-25
Abstract
No abstract record available.
Inventors
- 👤 Manley Frank Nason
- 👤 Wenzelberger Eiwood Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:21
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/34; D06; D06M; D06M15/00; D06M15/01; D06M15/03; D06M15/05; D06M15/07; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2221
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-02-07 | 1947-08-09 | 1948-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-02-07 | 1951-08-09 | 1952-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-02-07 | 1955-08-09 | 1956-02-08 | $7700.00 | Window Closed / Lapsed |