Patent US3223415A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3223415A Expired / Lapsed US ⏱️ 0.0 years remaining

Granite bowling lane

Assignee: Individual
•
Filing: 1962-06-04
•
Granted: 1965-12-14
•
Expires: 1982-06-04
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 James L Stengel
  • 👤 Neil D Lewis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 07:05
CPC Classifications
A; A63; A63D; A63D1/00; A63D1/04

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 90 words
A BOWLING ALLEY COMPRISING A PLURALITY OF SUBSTANTIALLY RECTANGULAR SLAB MEMBERS DEFINING THE LANE PORTION PROPER BEING OF POLISHED GRANITE HAVING APPROXIMATELY 30% QUARTZ IN THE COMPOSITION THEREOF, SAID SLAB MEMBERS BEING RIGIDLY SUPPORTED IN END TO END ABUTTING RELATIONSHIP AND HAVING THEIR UPPER SURFACES HIGHLY POLISHED AND EXTENDING IN A COMMON PLANE FROM END TO END THEREOF, AND SAID ALLEY HAVING AN APPROACH DECK AT ONE END AND A PIN DECK AT THE OTHER END THEREOF OF A THICKNESS AT LEAST EQUAL TO THAT OF THE INTERMEDIATE ABUTTING SLABS.

References Cited (Backward Citations)

US2069674A Cited
US2247636A Cited
US2531168A Cited
US2992001A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-12-13 1969-06-14 1969-12-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-12-13 1973-06-14 1973-12-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-12-13 1977-06-14 1977-12-14 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag