Patent US2605280A successfully refreshed from Google Patents.
US2605280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
p-aminobenzenephosphonous acid
Assignee: Individual
•
Filing: 1948-01-13
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Granted: 1952-07-29
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Expires: 1968-01-13
Abstract
No abstract record available.
Inventors
- 👤 Irving M Klotz
- 👤 Robert T Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:21
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/48; C07F9/4808; C07F9/4841
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-29 | 1956-01-28 | 1956-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-29 | 1960-01-28 | 1960-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-29 | 1964-01-28 | 1964-07-29 | $7700.00 | Window Closed / Lapsed |