← Back to Patent Explorer
US2568608A Expired / Lapsed US ⏱️ 0.0 years remaining

Polyunsaturated nitrogen-containing compounds and polymers thereof

Assignee: Goodrich Corp
•
Filing: 1947-03-19
•
Granted: 1951-09-18
•
Expires: 1967-03-19
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 James A Bralley

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 22:26
CPC Classifications
C; C08; C08F; C08F18/00; C08F18/22

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 10 words
AS A NEW CHEMICAL COMPOUND, TRI-CARBALLYLOXY HYDROCYLAMINE OF THE FORMULA
Claim 2
Dependent Claim 10 words
AS A NEW CHEMICAL COMPOUND, TRI-CARBALLYLOXY HYDROCYLAMINE OF THE FORMULA

References Cited (Backward Citations)

FR873710A Cited
US2378571A Cited
US2395750A Cited
US2394592A Cited
US2401549A Cited
US2390551A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-09-17 1955-03-19 1955-09-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-09-17 1959-03-19 1959-09-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-09-17 1963-03-19 1963-09-18 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag