US3082733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil well line tensioning indicators
Assignee: Borg Warner Corp
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Filing: 1960-02-29
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Granted: 1963-03-26
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Expires: 1980-02-29
Abstract
No abstract record available.
Inventors
- 👤 Tamny Simon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:58
CPC Classifications
E; E21; E21B; E21B19/00; E21B19/16; E21B19/165; E21B19/166; Y; Y10; Y10S; Y10S116/00; Y10S116/34; Y10S116/35
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
IN AN INDICATING DEVICE HAVING A PAIR OF RELATIVELY MOVABLE MEMBERS AND BIASING MEANS FOR URGING SAID MEMBERS TOWARD INITIAL RELATIVE POSITIONS, THE COMBINATION THEREWITH, OF A COLLAPSIBLE LINKAGE MECHANISM RESPONSIVE TO THE CONDITION TO BE INDICATED TO SUBSTANTIALLY INSTANTANEOUSLY OVERCOME SAID BIASING MEANS INCLUDING MEANS FOR PROGRESSIVELY INCREASING MECHANICAL ADVANTAGE OVER SAID BIASING MEANS IN RESPONSE TO SAID CONDITION TO THEREBY
Claim 2
Dependent Claim
62 words
IN AN INDICATING DEVICE HAVING A PAIR OF RELATIVELY MOVABLE MEMBERS AND BIASING MEANS FOR URGING SAID MEMBERS TOWARD INITIAL RELATIVE POSITIONS, THE COMBINATION THEREWITH, OF A COLLAPSIBLE LINKAGE MECHANISM RESPONSIVE TO THE CONDITION TO BE INDICATED TO SUBSTANTIALLY INSTANTANEOUSLY OVERCOME SAID BIASING MEANS INCLUDING MEANS FOR PROGRESSIVELY INCREASING MECHANICAL ADVANTAGE OVER SAID BIASING MEANS IN RESPONSE TO SAID CONDITION TO THEREBY
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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |