US3575767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanism for sanitary napkin production
Assignee: Kimberly Clark Corp
•
Filing: 1967-09-22
•
Granted: 1971-04-20
•
Expires: 1987-09-22
Abstract
Abstract A SANITARY NAPKIN MAKING MACHINE INCLUDING AN ASSEMBLY FOR STAMPING OUT INTERNAL NAPKIN PADS AND FOR APPLYING THEM IN SPACED RELATION ONTO A TRAVELING GAUZE WEB, AN ASSEMBLY FOR FOLDING MARGINAL PORTIONS OF THE GAUZE WEB OVER SO AS TO ENVELOPE THE PADS WITH THE WEB, AS ASSEMBLY FOR SEALING THE UPPER AND LOWER LAYERS OF THE ENVELOPING GAUZE WEB WITH RESPECT TO EACH OTHER AND FOR SIMULTANEOUSLY THRUSTING SIDE EDGE PORTIONS OF THE ENVELOPING GAUZE WEB TOWARD EACH OTHER DURING SEALING, AND AN ASSEMBLY FOR TRANSVERSELY CUTTING THE SEALED PORTIONS OF THE GAUZE WEB SO AS TO FORM THE INDIVIDUAL NAPKINS.
Inventors
- 👤 Charles T Banks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:52
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/15577; A61F13/15666; A61F13/15682; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1008; Y10T156/101
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-04-19 | 1974-10-19 | 1975-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-19 | 1978-10-19 | 1979-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-19 | 1982-10-19 | 1983-04-20 | $7700.00 | Window Closed / Lapsed |