← Back to Patent Explorer
US2569151A Expired / Lapsed US ⏱️ 0.0 years remaining

Lubricating rubber during vulcanization

Assignee: Carter Carburetor Corp
•
Filing: 1947-10-30
•
Granted: 1951-09-25
•
Expires: 1967-10-30
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Irven E Coffey

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 16:33
CPC Classifications
B; B29; B29C; B29C37/00; B29C37/0067; C; C10; C10M; C10M105/00; C10M105/56; C10M105/68; B29K; B29K2021/00; C10M2215/00; C10M2215/08; C10M2215/0806; C10N; C10N2030/00; C10N2030/06; C10N2040/00; C10N2040/36

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 42 words
IN THE MANUFACTURE OF NATURAL AND SYNTHETIC RUBBER ARTICLES, THE STEP WHICH CONSISTS IN APPLYING TO THE TACKY SURFACE OF THE UNCURED RUBBER AS A LUBRICANT POWDERED CETYL ACETAMIDE WAX HAVING A MELTING POINT SLIGHTLY BELOW THE CURING TEMPERATURE OF THE RUBBER.

References Cited (Backward Citations)

US2051849A Cited
US2195424A Cited
US2366853A Cited
US2443888A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-09-24 1955-03-26 1955-09-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-09-24 1959-03-26 1959-09-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-09-24 1963-03-26 1963-09-25 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag