Patent US2482489A successfully refreshed from Google Patents.
Patent US3061389A successfully refreshed from Google Patents.
US3061389A
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Crane swivel connection
Assignee: Individual
•
Filing: 1959-05-22
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Granted: 1962-10-30
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Expires: 1979-05-22
Abstract
No abstract record available.
Inventors
- 👤 Bargmann H E Erwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:31
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/38; F16C33/3806; E; E02; E02F; E02F9/00; E02F9/08; E02F9/10; E02F9/12; E02F9/121; F16C19/00; F16C19/02; F16C19/14; F16C19/16; F16C19/163; F16C33/41; F16C33/412; F16C33/414; F16C33/58; F16C33/60; F16C35/00; F16C35/04; F16C35/06; F16C2300/00; F16C2300/10; F16C2300/14; F16C2350/00; F16C2350/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1798634A
Cited
GB447966A
Cited
US2220027A
Cited
US2313084A
Cited
US2686397A
Cited
CH272975A
Cited
US2704230A
Cited
US2711938A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |