Patent US3379005A successfully refreshed from Google Patents.
US3379005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chain clamp
Assignee: MELVIN J DENNEY
•
Filing: 1966-04-01
•
Granted: 1968-04-23
•
Expires: 1986-04-01
Abstract
No abstract record available.
Inventors
- 👤 Alpha L Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:20
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/14; B25B27/22; F; F16; F16G; F16G11/00; F16G11/12; F16G3/00; F16G3/006; F16G15/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A CHAIN CLAMP COMPRISING A CLAMPING BOLT HAVING A SHANK FORMED WITH A FIXED HEAD ON ONE END THEREOF, A PAIR OF FIRST AND SECOND CHAIN LINK PIN ENGAGING JAWS SLEEVED ON THE BOLT SHANK FOR ROTATIONAL AND SLIDING MOVEMENTS THEREON, THE FIRST JAW BEING LOCATED ADJACENT TO THE BOLT HEAD AND THE SECOND JAW BEING SPACED FROM THE FIRST JAW ALONG THE BOLT SHANK, AND A STOP NUT THREADED ON TH BOLT SHANK AT THE SIDE OF THE SECOND JAW REMOTE FROM THE FIRST JAW.
Claim 2
Dependent Claim
86 words
A CHAIN CLAMP COMPRISING A CLAMPING BOLT HAVING A SHANK FORMED WITH A FIXED HEAD ON ONE END THEREOF, A PAIR OF FIRST AND SECOND CHAIN LINK PIN ENGAGING JAWS SLEEVED ON THE BOLT SHANK FOR ROTATIONAL AND SLIDING MOVEMENTS THEREON, THE FIRST JAW BEING LOCATED ADJACENT TO THE BOLT HEAD AND THE SECOND JAW BEING SPACED FROM THE FIRST JAW ALONG THE BOLT SHANK, AND A STOP NUT THREADED ON TH BOLT SHANK AT THE SIDE OF THE SECOND JAW REMOTE FROM THE FIRST JAW.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |