Patent US3444966A successfully refreshed from Google Patents.
Patent US3352695A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3352695A Expired / Lapsed US ⏱️ 0.0 years remaining

Silver polish containing di-n-hexadecyl disulfide

Assignee: Gorham Corp
•
Filing: 1965-01-18
•
Granted: 1967-11-14
•
Expires: 1985-01-18
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Iaciofano Joseph

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 04:58
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/16; C11; C11D; C11D3/00; C11D3/16; C11D3/34; C11D3/3436

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 19 words
A SILVER POLISH COMPRISING 40-70% WATER, 10-20% OF AN ABRASIVE, 1-3% OF A WETTING AGENT AND 4-10% DI-NHEXADECYL DISULFIDE.
Claim 2
Dependent Claim 19 words
A SILVER POLISH COMPRISING 40-70% WATER, 10-20% OF AN ABRASIVE, 1-3% OF A WETTING AGENT AND 4-10% DI-NHEXADECYL DISULFIDE.

References Cited (Backward Citations)

GB640148A Cited
US2691593A Cited
GB715505A Cited
US2703784A Cited
US2841501A Cited
US2956888A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-11-13 1971-05-15 1971-11-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-11-13 1975-05-15 1975-11-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-11-13 1979-05-15 1979-11-14 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag