US2448910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chlorinated paraffin wax amines for controlling fungi and bacteria
Assignee: Shell Development Co
•
Filing: 1944-03-27
•
Granted: 1948-09-07
•
Expires: 1964-03-27
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Reamer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:48
CPC Classifications
A; A01; A01N; A01N33/00; A01N33/02; A01N33/04; Y; Y10; Y10S; Y10S106/00; Y10S106/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1948924A
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US1971415A
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US1992489A
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US2030093A
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FR849348A
Cited
US2305830A
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US2314972A
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US2259426A
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US2271378A
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US2244712A
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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) | 1951-09-07 | 1952-03-08 | 1952-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-09-07 | 1956-03-08 | 1956-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-09-07 | 1960-03-08 | 1960-09-07 | $7700.00 | Window Closed / Lapsed |