US3073544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coilable measuring ruler
Assignee: Individual
•
Filing: 1961-11-01
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Granted: 1963-01-15
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Expires: 1981-11-01
Abstract
No abstract record available.
Inventors
- 👤 Francis J Cirves
- 👤 Myron A Marsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:46
CPC Classifications
G; G01; G01B; G01B3/00; G01B3/10; G01B3/1041; G01B3/1003; G01B3/1043; G01B3/1046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A CASE FOR A STEEL TAPE OF CONCAVO-CONVEX TYPE INCLUDING A CENTER POST THEREIN, A DRUM ROTATABLE UPON SAID CENTER POST AND ADAPTED TO SERVE AS A SPOOL UPON WHICH TO WIND A TAPE, AND A WIND-UP SPRING COILED ABOUT SAID CENTER POST AND HAVING ITS INNER END FIXED WITH RESPECT THERETO, AND HAVING ITS OUTER END FIXED WITH RESPECT TO SAID DRUM, SAID CASE HAVING A CIRCULAR TAPE OPENING OF PREDETERMINED CROSS-SECTIONAL DIMENSIONS FOR THE PASSAGE OF THE TAPE INTO AND OUT OF THE CASE, A RECTANGULAR SHAPED GUIDE PLATE SECURED TO SAID CASE AND ARRANGED OVER SAID CIRCULAR TAPE OPENING, SAID GUIDE PLATE HAVING A PROJECTION AND AN ENLARGED HEAD PORTION FORMING A C-SHAPED SLOT THERETHROUGH FOR THE PASSAGE OF THE TAPE INTO AND OUT OF THE CASE, SAID SLOT BEING FORMED WITH AN INWARDLY
Claim 2
Dependent Claim
137 words
A CASE FOR A STEEL TAPE OF CONCAVO-CONVEX TYPE INCLUDING A CENTER POST THEREIN, A DRUM ROTATABLE UPON SAID CENTER POST AND ADAPTED TO SERVE AS A SPOOL UPON WHICH TO WIND A TAPE, AND A WIND-UP SPRING COILED ABOUT SAID CENTER POST AND HAVING ITS INNER END FIXED WITH RESPECT THERETO, AND HAVING ITS OUTER END FIXED WITH RESPECT TO SAID DRUM, SAID CASE HAVING A CIRCULAR TAPE OPENING OF PREDETERMINED CROSS-SECTIONAL DIMENSIONS FOR THE PASSAGE OF THE TAPE INTO AND OUT OF THE CASE, A RECTANGULAR SHAPED GUIDE PLATE SECURED TO SAID CASE AND ARRANGED OVER SAID CIRCULAR TAPE OPENING, SAID GUIDE PLATE HAVING A PROJECTION AND AN ENLARGED HEAD PORTION FORMING A C-SHAPED SLOT THERETHROUGH FOR THE PASSAGE OF THE TAPE INTO AND OUT OF THE CASE, SAID SLOT BEING FORMED WITH AN INWARDLY
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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |