US2985317A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ballast receptacles for cranes
Assignee: SCHIELD BANTAM Co
•
Filing: 1957-06-24
•
Granted: 1961-05-23
•
Expires: 1977-06-24
Abstract
No abstract record available.
Inventors
- 👤 Harold V Bannister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:36
CPC Classifications
B; B66; B66C; B66C23/00; B66C23/62; B66C23/72; B66C23/74
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US933129A
Cited
US1738702A
Cited
US1973136A
Cited
US2185030A
Cited
US2255972A
Cited
US2526613A
Cited
US2745362A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |