Patent US3300786A successfully refreshed from Google Patents.
US3300786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Eye shield blank and method of assembling same
Assignee: Individual
•
Filing: 1964-12-10
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Granted: 1967-01-31
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Expires: 1984-12-10
Abstract
No abstract record available.
Inventors
- 👤 Lloyd K Rosenvold
- 👤 Robert J Rosenvold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:23
CPC Classifications
A; A61; A61F; A61F9/00; A61F9/04; A61F13/00; A61F13/12; A61F13/122; A61F13/124
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A BLANK FOR MAKING AN EYE SHIELD COMPRISING A SHEET OF RELATIVELY STIFF MATERIAL OF SUBSTANTIALLY CIRCULAR CONFIGURATION, SAID SHEET HAVING A CIRCULAR OPENING SUBSTANTIALLY AT ITS CENTER AND HAVING A WEDGE-SHAPED OPENING EXTENDING FROM SAID CIRCULAR OPENING TO THE PERIPHERY OF SAID SHEET, VENTILATION OPENINGS IN SAID BLANK SPACED ABOUT SAID CIRCULAR OPENING, AND MEANS ON SAID BLANK FOR SECURING PORTIONS OF SAID BLANK ADJACENT THE EDGES OF SAID WEDGE-SHAPED OPENING TOGETHER FOR FORMING SAID BLANK INTO A CONE.
Claim 2
Dependent Claim
80 words
A BLANK FOR MAKING AN EYE SHIELD COMPRISING A SHEET OF RELATIVELY STIFF MATERIAL OF SUBSTANTIALLY CIRCULAR CONFIGURATION, SAID SHEET HAVING A CIRCULAR OPENING SUBSTANTIALLY AT ITS CENTER AND HAVING A WEDGE-SHAPED OPENING EXTENDING FROM SAID CIRCULAR OPENING TO THE PERIPHERY OF SAID SHEET, VENTILATION OPENINGS IN SAID BLANK SPACED ABOUT SAID CIRCULAR OPENING, AND MEANS ON SAID BLANK FOR SECURING PORTIONS OF SAID BLANK ADJACENT THE EDGES OF SAID WEDGE-SHAPED OPENING TOGETHER FOR FORMING SAID BLANK INTO A CONE.
References Cited (Backward Citations)
US915738A
Cited
US1270640A
Cited
US1283358A
Cited
US1743510A
Cited
US2038576A
Cited
US2325150A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |