Patent US3488549A successfully refreshed from Google Patents.
Patent US2686053A successfully refreshed from Google Patents.
US2686053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bowling pin elevating mechanism
Assignee: AMF Inc
•
Filing: 1948-06-23
•
Granted: 1954-08-10
•
Expires: 1968-06-23
Abstract
No abstract record available.
Inventors
- 👤 Henry W Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:49
CPC Classifications
A; A63; A63D; A63D5/00; A63D5/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1190644A
Cited
US1542804A
Cited
US1692796A
Cited
US1586831A
Cited
US1706271A
Cited
US1784084A
Cited
US1994411A
Cited
US2388707A
Cited
US2319925A
Cited
US2310218A
Cited
US2450249A
Cited
US2550835A
Cited
US2531167A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-09 | 1958-02-08 | 1958-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-09 | 1962-02-08 | 1962-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-09 | 1966-02-08 | 1966-08-10 | $7700.00 | Window Closed / Lapsed |