← Back to Patent Explorer
US2667443A Expired / Lapsed US ⏱️ 0.0 years remaining

Dental floss

Assignee: Johnson and Johnson
•
Filing: 1949-05-14
•
Granted: 1954-01-26
•
Expires: 1969-05-14
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Ashton William Howard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 01:30
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/02; A61C; A61C15/00; A61C15/04; A61C15/041; A61C9/00; A61C9/0033; A61Q; A61Q11/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 12 words
DENTAL FLOSS IMPREGNATED WITH A DENTAL MEDICAMENT IN A WATER-SOLUBLE SOLID WAX.
Claim 2
Dependent Claim 12 words
DENTAL FLOSS IMPREGNATED WITH A DENTAL MEDICAMENT IN A WATER-SOLUBLE SOLID WAX.

References Cited (Backward Citations)

US185666A Cited
US1069874A Cited
US1285988A Cited
US1839483A Cited
US1989895A Cited
AT145983B Cited
US2224489A Cited
US2464755A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-01-25 1957-07-27 1958-01-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-01-25 1961-07-27 1962-01-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-01-25 1965-07-27 1966-01-26 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag