US3489409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Six sided pool table with center pocket
Assignee: MILTON A O PORATH
•
Filing: 1966-05-13
•
Granted: 1970-01-13
•
Expires: 1986-05-13
Abstract
No abstract record available.
Inventors
- 👤 William F Porath
- 👤 Milton A O Porath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:50
CPC Classifications
A; A63; A63F; A63F7/00; A63F7/0023; A63F2007/0047
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US273237A
Cited
US296677A
Cited
US735995A
Cited
US848042A
Cited
US1158793A
Cited
US1122588A
Cited
US1925692A
Cited
US2199745A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |