Patent US3081552A successfully refreshed from Google Patents.
US3081552A
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US
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Suspension devices
Assignee: Rank Precision Industries Ltd
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Filing: 1961-04-17
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Granted: 1963-03-19
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Expires: 1981-04-17
Abstract
No abstract record available.
Inventors
- 👤 Reason Richard Edmund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:38
CPC Classifications
G; G01; G01C; G01C9/00; G01C9/02; G01C9/06; Y; Y10; Y10T; Y10T403/00; Y10T403/54; Y10T74/00; Y10T74/12; Y10T74/1293
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A SUSPENSION DEVICE, COMPRISING A SUPPORTING FRAMEWORK, A MOVABLE MASS, FIVE FILAMENTS, MEANS FOR ANCHORING THE FIVE FILAMENTS TO THE SUPPORTING FRAMEWORK AND TO THE MOVABLE MASS WHEREBY THE MOVABLE MASS IS SUSPENDED FROM THE FRAMEWORK BY THE FIVE FILAMENTS, THE RELATIVE DISPOSITIONS OF THE FILAMENTS FULFILLING THE FOLLOWING REQUIREMENTS: (A) ALL FIVE FILAMENTS ARE IN TENSION; (B) NOT MORE THAN THREE FILAMENTS LIE ALONG CONCURRENT STRAIGHT LINES; (C) NOT MORE THAN THREE FILAMENTS ARE COPLANAR; (D) THE VERTICAL STRAIGHT LINE THROUGH THE CENTRE OF GRAVITY OF THE MOVABLE MASS PASSES BETWEEN THE ANCHORAGES OF THE FIVE FILAMENTS BOTH TO THE MOVABLE MASS AND TO THE FRAMEWORK;
Claim 2
Dependent Claim
107 words
A SUSPENSION DEVICE, COMPRISING A SUPPORTING FRAMEWORK, A MOVABLE MASS, FIVE FILAMENTS, MEANS FOR ANCHORING THE FIVE FILAMENTS TO THE SUPPORTING FRAMEWORK AND TO THE MOVABLE MASS WHEREBY THE MOVABLE MASS IS SUSPENDED FROM THE FRAMEWORK BY THE FIVE FILAMENTS, THE RELATIVE DISPOSITIONS OF THE FILAMENTS FULFILLING THE FOLLOWING REQUIREMENTS: (A) ALL FIVE FILAMENTS ARE IN TENSION; (B) NOT MORE THAN THREE FILAMENTS LIE ALONG CONCURRENT STRAIGHT LINES; (C) NOT MORE THAN THREE FILAMENTS ARE COPLANAR; (D) THE VERTICAL STRAIGHT LINE THROUGH THE CENTRE OF GRAVITY OF THE MOVABLE MASS PASSES BETWEEN THE ANCHORAGES OF THE FIVE FILAMENTS BOTH TO THE MOVABLE MASS AND TO THE FRAMEWORK;
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |