Patent US3368657A successfully refreshed from Google Patents.
Patent US3107434A successfully refreshed from Google Patents.
US3107434A
Expired / Lapsed
US
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Articulated ruler
Assignee: CIA DE ADMINISTRACAO E COM SCH
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Filing: 1960-11-04
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Granted: 1963-10-22
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Expires: 1980-11-04
Abstract
No abstract record available.
Inventors
- 👤 Joao A Niel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:28
CPC Classifications
B; B43; B43L; B43L13/00; B43L13/20; B43L13/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
AN ARTICULATED RULER COMPRISING, IN COMBINATION, A PLURALITY OF PLATE ELEMENTS HAVING EACH ITS GREATEST WIDTH AT A MEDIAN PLANE THEREOF AND GRADUALLY DECREASING IN WIDTH FROM SAID MEDIAN PLANE TOWARDS OPPOSITE END PORTIONS THEREOF, EACH OF SAID PLATE ELEMENTS BEING FORMED WITH A BORE THERETHROUGH EXTENDING SUBSTANTIALLY IN SAID MEDIAN PLANE; ELONGATED FLEXIBLE MEANS EXTENDING FOR LINKING THE BORES OF SAID PLURALITY OF PLATE ELEMENTS FOR LINKING SAID PLATE ELEMENTS TO EACH OTHER WITH SUCCESSIVE PLATE ELEMENTS RESPECTIVELY ABUTTING AGAINST EACH OTHER AT EDGE PORTIONS LOCATED IN SAID MEDIAN PLANE AND WITH SUCCESSIVE PLATE ELEMENTS TILTABLE WITH RESPECT TO EACH OTHER; AND A PAIR OF CONTINUOUS FLEXIBLE GUIDE MEANS EXTENDING RESPECTIVELY LONGITUDINALLY ALONG SAID OPPOSITE END PORTIONS OF SAID LINKED ELEMENTS AND BEING SLIDABLY ATTACHED THERETO.
Claim 2
Dependent Claim
127 words
AN ARTICULATED RULER COMPRISING, IN COMBINATION, A PLURALITY OF PLATE ELEMENTS HAVING EACH ITS GREATEST WIDTH AT A MEDIAN PLANE THEREOF AND GRADUALLY DECREASING IN WIDTH FROM SAID MEDIAN PLANE TOWARDS OPPOSITE END PORTIONS THEREOF, EACH OF SAID PLATE ELEMENTS BEING FORMED WITH A BORE THERETHROUGH EXTENDING SUBSTANTIALLY IN SAID MEDIAN PLANE; ELONGATED FLEXIBLE MEANS EXTENDING FOR LINKING THE BORES OF SAID PLURALITY OF PLATE ELEMENTS FOR LINKING SAID PLATE ELEMENTS TO EACH OTHER WITH SUCCESSIVE PLATE ELEMENTS RESPECTIVELY ABUTTING AGAINST EACH OTHER AT EDGE PORTIONS LOCATED IN SAID MEDIAN PLANE AND WITH SUCCESSIVE PLATE ELEMENTS TILTABLE WITH RESPECT TO EACH OTHER; AND A PAIR OF CONTINUOUS FLEXIBLE GUIDE MEANS EXTENDING RESPECTIVELY LONGITUDINALLY ALONG SAID OPPOSITE END PORTIONS OF SAID LINKED ELEMENTS AND BEING SLIDABLY ATTACHED THERETO.
References Cited (Backward Citations)
US2116563A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |