Patent US3074810A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3074810A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for lining container closures

Assignee: WR Grace and Co
•
Filing: 1959-12-30
•
Granted: 1963-01-22
•
Expires: 1979-12-30
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 William J Timson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 19:07
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/02; B29C41/20; B29C31/00; B29C31/04; B29C31/041; B29C43/00; B29C43/32; B29C43/34; B29C2043/3433; B29C43/02; B29C43/18; B29C48/00; B29C48/03; B29L; B29L2031/00; B29L2031/56; B29L2031/565; Y; Y10; Y10S; Y10S425/00; Y10S425/809

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 89 words
THAT METHOD OF FORMING LINING ELEMENTS ON CONTAINER CLOSURES WHICH COMPRISES PROVIDING AN INTERNALLY FED DIE HAVING A PRINTING TIP HAVING AS ITS CONTOUR THE DESIRED SHAPE OF THE LINING ELEMENT AND PROVIDED WITH A CONTINUOUS PERIPHERAL SLOT COMMUNICATING WITH A LIKESHAPED COMPOUND FEED PASSAGE, APPLYING PRESSURE TO LINING COMPOUND SUPPLIED TO SAID PASSAGE ONLY WHEN THE TIP IS OUT OF CONTACT WITH A CONTAINER TO PERMIT THE BUILDUP TO ON SAID TIP OF A PENDANT EXUDATION OF COMPOUND ALL PARTS OF WHICH ARE UNIFORM IN CROSS-SECTION, CUTTING OFF

References Cited (Backward Citations)

US2286978A Cited
US2888366A Cited
US2859476A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-01-21 1966-07-23 1967-01-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-01-21 1970-07-23 1971-01-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-01-21 1974-07-23 1975-01-22 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag