Patent US2342607A successfully refreshed from Google Patents.
US2342607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aldehydo-carboxylic acid
Assignee: Resinous Products and Chemical Co
•
Filing: 1943-03-16
•
Granted: 1944-02-22
•
Expires: 1963-03-16
Abstract
No abstract record available.
Inventors
- 👤 Herman A Bruson
- 👤 Thomas W Riener
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:21
CPC Classifications
C; C07; C07C; C07C255/00; C07C59/00; C07C59/147; C07C59/40; C07C59/74
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1947-02-21 | 1947-08-23 | 1948-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-02-21 | 1951-08-23 | 1952-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-02-21 | 1955-08-23 | 1956-02-22 | $7700.00 | Window Closed / Lapsed |