US3360171A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chain breaker
Assignee: Individual
•
Filing: 1966-03-14
•
Granted: 1967-12-26
•
Expires: 1986-03-14
Abstract
No abstract record available.
Inventors
- 👤 James L Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:30
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/14; B25B27/22; Y; Y10; Y10T; Y10T225/00; Y10T225/30; Y10T225/371; Y10T29/00; Y10T29/49; Y10T29/49815; Y10T29/49821
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A CHAIN BREAKER COMPRISING, A BASE, A BLOCK PROVIDED WITH A LATERALLY EXTENDING ARM, SAID BLOCK BEING SECURED TO SAID BASE, AND ELONGATED LEVER PIVOTALLY CONNECTED TO THE TOP PORTION OF SAID BLOCK, A ROD SECURED TO SAID LEVER AND EXTENDING OUTWARDLY THEREFROM, RESILIENT MEANS FOR ACTUATING SAID ROD AND SAID LEVER, SAID ARM HAVING A HOLE THEREIN FOR ADMITTING SAID ROD, A CUTTING TOOL SECURED TO THE BOTTOM END OF SAID ROD, A PAIR OF ALIGNMENT PINS SECURED TO THE TOP PORTION OF SAID BLOCK, A GUIDE MEM-
Claim 2
Dependent Claim
89 words
A CHAIN BREAKER COMPRISING, A BASE, A BLOCK PROVIDED WITH A LATERALLY EXTENDING ARM, SAID BLOCK BEING SECURED TO SAID BASE, AND ELONGATED LEVER PIVOTALLY CONNECTED TO THE TOP PORTION OF SAID BLOCK, A ROD SECURED TO SAID LEVER AND EXTENDING OUTWARDLY THEREFROM, RESILIENT MEANS FOR ACTUATING SAID ROD AND SAID LEVER, SAID ARM HAVING A HOLE THEREIN FOR ADMITTING SAID ROD, A CUTTING TOOL SECURED TO THE BOTTOM END OF SAID ROD, A PAIR OF ALIGNMENT PINS SECURED TO THE TOP PORTION OF SAID BLOCK, A GUIDE MEM-
References Cited (Backward Citations)
US3063236A
Cited
US3135141A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |