Patent US4862400A successfully refreshed from Google Patents.
Patent US3224769A successfully refreshed from Google Patents.
US3224769A
Expired / Lapsed
US
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Hollow bowling pin
Assignee: Individual
•
Filing: 1961-12-12
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Granted: 1965-12-21
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Expires: 1981-12-12
Abstract
No abstract record available.
Inventors
- 👤 Claude H Nickell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:27
CPC Classifications
A; A63; A63D; A63D9/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
102 words
A BOWLING PIN COMPRISING A HOLLOW SHELL INCLUDING AT LEAST UPPER AND LOWER SEGMENTS, EACH SEGMENT HAVING A THREADED AXIAL PORTION, SAID SEGMENTS HAVING COOPERATING TERMINAL PORTIONS, TRANSVERSE SUPPORTING MEANS OVERLYING SAID TERMINAL PORTIONS AND ENGAGING SAID UPPER AND LOWER SEGMENTS, ROD MEANS THREADEDLY ENGAGING SAID AXIAL PORTIONS, SAID ROD MEANS BEING LOCATED ENTIRELY WITHIN SAID SEGMENTS, SAID SHELL HAVING AN OPENING PROVIDING COMMUNICATION BETWEEN THE INTERIOR OF SAID SHELL AND THE ATMOSPHERE, PLUG MEANS EXTENDING ITO SAID OPENING FOR CLOSING THE SAME AND RENDERING SAID SHELL AIRTIGHT, AND A PLASTIC COATING PROVIDING A RELATIVELY HARD DURABLE OUTER SURACE FOR SAID SHELL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |