US3157928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening device
Assignee: Beltx Corp
•
Filing: 1961-10-30
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Granted: 1964-11-24
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Expires: 1981-10-30
Abstract
No abstract record available.
Inventors
- 👤 Woskin Irvin S De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:36
CPC Classifications
A; A41; A41F; A41F1/00; Y; Y10; Y10T; Y10T24/00; Y10T24/40; Y10T24/4058; Y10T24/406; Y10T24/46; Y10T24/4677
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
AN ELONGATED TAB FOR A SANITARY BELT COMPRISING OUTER LAYERS OF FLEXIBLE HEAT-SEALABLE SHEET PLASTIC MATERIAL, A CUSHION LAYER OF SOFT HEAT-SEALABLE PLASTIC FORM MATERIAL BETWEEN SAID OUTER LAYERS AND COEXTENSIVE IN WIDTH WITH SAID OUTER LAYERS, AN INSERT OF RELATIVELY STIFF HEAT-SEALABLE SHEET PLASTIC MATERIAL BETWEEN SAID CUSHION LAYER AND ONE OUTER LAYER TOWARD ONE END OF THE TAB, SAID INSERT BEING COEXTENSIVE IN WIDTH WITH SAID OUTER LAYERS AND CUSHION LAYER BUT SHORTER IN HEIGHT THAN THE LENGTH OF THE TAB, SAID TAB HAVING AN OPENING THROUGH SAID OUTER LAYERS, CUSHION LAYER AND INSERT FORMED TO RECEIVE AND GRIP AN END OF A SANITARY NAPKIN, AND SAID OUTER LAYERS, CUSHION LAYER AND INSERT BEING HEAT-SEALED AT MUTUAL BOUNDARIES AROUND SAID OPENING.
Claim 2
Dependent Claim
123 words
AN ELONGATED TAB FOR A SANITARY BELT COMPRISING OUTER LAYERS OF FLEXIBLE HEAT-SEALABLE SHEET PLASTIC MATERIAL, A CUSHION LAYER OF SOFT HEAT-SEALABLE PLASTIC FORM MATERIAL BETWEEN SAID OUTER LAYERS AND COEXTENSIVE IN WIDTH WITH SAID OUTER LAYERS, AN INSERT OF RELATIVELY STIFF HEAT-SEALABLE SHEET PLASTIC MATERIAL BETWEEN SAID CUSHION LAYER AND ONE OUTER LAYER TOWARD ONE END OF THE TAB, SAID INSERT BEING COEXTENSIVE IN WIDTH WITH SAID OUTER LAYERS AND CUSHION LAYER BUT SHORTER IN HEIGHT THAN THE LENGTH OF THE TAB, SAID TAB HAVING AN OPENING THROUGH SAID OUTER LAYERS, CUSHION LAYER AND INSERT FORMED TO RECEIVE AND GRIP AN END OF A SANITARY NAPKIN, AND SAID OUTER LAYERS, CUSHION LAYER AND INSERT BEING HEAT-SEALED AT MUTUAL BOUNDARIES AROUND SAID OPENING.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |