US3081734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flags and staffs therefor
Assignee: American Optical Corp
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Filing: 1961-04-10
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Granted: 1963-03-19
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Expires: 1981-04-10
Abstract
No abstract record available.
Inventors
- 👤 Charles R Spahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:15
CPC Classifications
G; G09; G09F; G09F17/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
192 words
A DEVICE OF THE CHARACTER DESCRIBED COMPRISING THE COMBINATION OF A FLAG FORMED OF FLEXIBLE SHEET MATERIAL HAVING A PAIR OF RELATIVELY LONG AND NARROW CASINGS ALONG TWO ADJOINING EDGE PORTIONS THEREOF, EACH CASING BEING CUT BACK IN LENGTH A DISTANCE APPROXIMATELY EQUAL TO THE WIDTH OF THE OTHER ADJACENT THE LOCATION OF THEIR ADJOINMENT TO FORM AN OPEN AREA IN WHICH THE RESPECTIVE AXES OF SAID CASINGS APPROXIMATELY INTERSECT EACH OTHER, A STAFF EMBODYING A RIGID ROD HAVING AN OPENING DISPOSED TRANSVERSELY THEREIN AND A RIGID ARM HAVING AN END PORTION OF A CONTOUR SHAPE AND SIZE ADAPTED TO BE REMOVABLY ENTERED RELATIVELY TIGHTLY INTO SAID OPENING SO AS TO RIGIDLY SUPPORT SAID ARM EXTENDEDLY FROM SAID ROD, SAID ROD BEING EXTENDED THROUGH AT LEAST THE MAJOR PORTION OF THE LENGTH OF ONE OF SAID CASINGS WITH THE TRANSVERSE OPENING THEREIN DISPOSED IN SAID OPEN AREA OF SAID FLAG APPROXIMATELY COAXIALLY WITH THE OTHER OF SAID CASINGS AND SAID ARM BEING EXTENDED THROUGH AT LEAST THE MAJOR PORTION OF THE LENGTH OF THE OTHER OF SAID CASINGS WITH SAID END PORTION THEREOF RELATIVELY TIGHTLY ENTERED INTO SAID OPENING IN SAID ROD.
Claim 2
Independent Claim
192 words
A DEVICE OF THE CHARACTER DESCRIBED COMPRISING THE COMBINATION OF A FLAG FORMED OF FLEXIBLE SHEET MATERIAL HAVING A PAIR OF RELATIVELY LONG AND NARROW CASINGS ALONG TWO ADJOINING EDGE PORTIONS THEREOF, EACH CASING BEING CUT BACK IN LENGTH A DISTANCE APPROXIMATELY EQUAL TO THE WIDTH OF THE OTHER ADJACENT THE LOCATION OF THEIR ADJOINMENT TO FORM AN OPEN AREA IN WHICH THE RESPECTIVE AXES OF SAID CASINGS APPROXIMATELY INTERSECT EACH OTHER, A STAFF EMBODYING A RIGID ROD HAVING AN OPENING DISPOSED TRANSVERSELY THEREIN AND A RIGID ARM HAVING AN END PORTION OF A CONTOUR SHAPE AND SIZE ADAPTED TO BE REMOVABLY ENTERED RELATIVELY TIGHTLY INTO SAID OPENING SO AS TO RIGIDLY SUPPORT SAID ARM EXTENDEDLY FROM SAID ROD, SAID ROD BEING EXTENDED THROUGH AT LEAST THE MAJOR PORTION OF THE LENGTH OF ONE OF SAID CASINGS WITH THE TRANSVERSE OPENING THEREIN DISPOSED IN SAID OPEN AREA OF SAID FLAG APPROXIMATELY COAXIALLY WITH THE OTHER OF SAID CASINGS AND SAID ARM BEING EXTENDED THROUGH AT LEAST THE MAJOR PORTION OF THE LENGTH OF THE OTHER OF SAID CASINGS WITH SAID END PORTION THEREOF RELATIVELY TIGHTLY ENTERED INTO SAID OPENING IN SAID ROD.
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) | 1966-03-18 | 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 |