US3143901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming workpieces
Assignee: Individual
•
Filing: 1961-09-27
•
Granted: 1964-08-11
•
Expires: 1981-09-27
Abstract
No abstract record available.
Inventors
- 👤 Charles E Bawtinheimer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:17
CPC Classifications
A; A63; A63B; A63B37/00; A63B37/0001; A63B37/0002; B; B27; B27C; B27C5/00; B27C5/003; B27M; B27M3/00; B27M3/22; Y; Y10; Y10S; Y10S408/00; Y10S408/01; Y10T; Y10T408/00; Y10T408/03; Y10T408/08; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/30112; Y10T409/301176; Y10T409/301624; Y10T409/30168; Y10T409/301792; Y10T409/301904; Y10T409/30196; Y10T82/00; Y10T82/12; Y10T82/122
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
THE METHOD OF CUTTING CURVED FINGER OPENINGS IN A BOWLING BALL BLANK IN ACCORDANCE WITH THE NATURAL SPAN AND CURVATURE OF THE PROSPECTIVE USER''S FINGERS, SAID METHOD COMPRISING THE STEPS OF FORMING A MASS OF MATERIAL IN A SEMIPLASTIC STATE TO SIMULATE A BOWLING BALL; INSERTING THE PROSPECTIVE USER''S FINGERS IN SAID MATERIAL TO FORM CURVED FINGER OPENINGS THEREIN; MOUNTING SAID MATERIAL AND SAID BLANK FOR CONJOINT UNIVERSAL MOVEMENTS RELATIVE TO A CUTTING TOOL ASSOCIATED WITH SAID BLANK AND TO A FOLLOWER ASSOCIATED WITH SAID MATERIAL MOVING SAID BLANK AND SAID MATERIAL RELATIVELY TO SAID TOOL AND TO SAID FOLLOWER TO CAUSE THE LATTER TO ENTER A FINGER OPENING IN SAID
Claim 2
Independent Claim
111 words
THE METHOD OF CUTTING CURVED FINGER OPENINGS IN A BOWLING BALL BLANK IN ACCORDANCE WITH THE NATURAL SPAN AND CURVATURE OF THE PROSPECTIVE USER''S FINGERS, SAID METHOD COMPRISING THE STEPS OF FORMING A MASS OF MATERIAL IN A SEMIPLASTIC STATE TO SIMULATE A BOWLING BALL; INSERTING THE PROSPECTIVE USER''S FINGERS IN SAID MATERIAL TO FORM CURVED FINGER OPENINGS THEREIN; MOUNTING SAID MATERIAL AND SAID BLANK FOR CONJOINT UNIVERSAL MOVEMENTS RELATIVE TO A CUTTING TOOL ASSOCIATED WITH SAID BLANK AND TO A FOLLOWER ASSOCIATED WITH SAID MATERIAL MOVING SAID BLANK AND SAID MATERIAL RELATIVELY TO SAID TOOL AND TO SAID FOLLOWER TO CAUSE THE LATTER TO ENTER A FINGER OPENING IN SAID
References Cited (Backward Citations)
US2712160A
Cited
DE636727C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |