Patent US3056836A successfully refreshed from Google Patents.
US3056836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aralkylamines and methods of preparation thereof
Assignee: US Philips Corp
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Filing: 1960-12-19
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Granted: 1962-10-02
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Expires: 1980-12-19
Abstract
No abstract record available.
Inventors
- 👤 Moed Hendrik Durk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:05
CPC Classifications
C; C07; C07C; C07C217/00; C07C217/02; C07C217/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF THE COMPOUNDS OF THE FORMULAE:
Claim 2
Dependent Claim
13 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF THE COMPOUNDS OF THE FORMULAE:
References Cited (Backward Citations)
US2217660A
Cited
US2308232A
Cited
US2252828A
Cited
US2679501A
Cited
US2661373A
Cited
GB800718A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-01 | 1966-04-02 | 1966-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-01 | 1970-04-02 | 1970-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-01 | 1974-04-02 | 1974-10-02 | $7700.00 | Window Closed / Lapsed |