Patent US3308831A successfully refreshed from Google Patents.
US3308831A
Expired / Lapsed
US
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Clamp device
Assignee: Mayline Co Inc
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Filing: 1965-10-05
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Granted: 1967-03-14
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Expires: 1985-10-05
Abstract
No abstract record available.
Inventors
- 👤 Victor J Kritske
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:50
CPC Classifications
B; B42; B42F; B42F9/00; Y; Y10; Y10T; Y10T24/00; Y10T24/20; Y10T24/201; Y10T24/44; Y10T24/44291; Y10T24/44376; Y10T24/44385; Y10T24/44402
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
121 words
A CLAMP DEVICE FOR HOLDING ONE OR MORE SHEETS OF MATERIAL ADJACENT AN EDGE THEREOF AND COMPRISING: AN ELONGATE SUPPORT MEMBER OF GENERALLY CHANNEL-SHAPED CROSS-SECTION AND INCLUDING A WEB AND SPACED FIRST AND SECOND FLANGES DEFINING AN ELONGATE SLOT EXTENDING GENERALLY THE FULL LENGTH THEREOF, FIRST AND SECOND GRIPPING MEMBERS EACH INCLUDING A BODY PORTION HAVING A GRIPPING MEANS AT ONE END THEREOF AND OPPOSITELY EXTENDING FIRST AND SECOND LATERAL PORTIONS AT THE OTHER END THEREOF, EACH SAID FIRST LATERAL PORTION HAVING A HINGE CONNECTION TO THE SLOT SIDE OF THE RESPECTIVE FLANGE, EACH HINGE CONNECTION INCLUDING A LONGITUDINALLY EXTENDING C-SECTIONAL EDGE PORTION ON ONE OF THE ITEMS COMPRISING SAID FIRST LATERAL PORTION AND SAID FLANGE, EACH HINGE CONNECTION INCLUDING A
References Cited (Backward Citations)
US359528A
Cited
US2807266A
Cited
US1911277A
Cited
US2824913A
Cited
US2869210A
Cited
US2819507A
Cited
US2985174A
Cited
US2990961A
Cited
US2923994A
Cited
US3069737A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |