Patent US3023128A successfully refreshed from Google Patents.
US3023128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Envelope making machine
Assignee: Wolf Detroit Envelope Co
•
Filing: 1957-11-27
•
Granted: 1962-02-27
•
Expires: 1977-11-27
Abstract
No abstract record available.
Inventors
- 👤 Harry F Affelder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:10
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/60; B31B70/62; B31B70/628; B31B2150/00; B31B2160/00; B31B2160/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
127 words
THE METHOD OF APPLYING PRESSURE-SENSITIVE MATERIAL, WHICH IS SUBJECT TO FOAMING WHEN CHURNED, TO A SHEET WHICH COMPRISES THE STEPS OF PROVIDING A RESERVOIR OF MATERIAL AND ROTATING A FIRST MEMBER THROUGH THE MATERIAL IN THE RESERVOIR AT A SPEED, WHICH SPEED IS INSUFFICIENT TO EFFECT CHURNING AND FOAMING, TO COAT THE SURFACE OF THE MEMBER WITH THE MATERIAL TO MOVE THE MATERIAL FROM THE RESERVOIR, PICKING UP THE COATING OF MATERIAL FROM THE FIRST MEMBER WITH A SECOND MEMBER RATATING IN THE SAME DIRECTION AS THE FIRST MEMBER, THINNING THE COATING BY RUNNING THE SECOND MEMBER AT A HIGHER PEREPHERAL SPEED THAN THE PERIPHERAL SPEED OF THE FIRST MEMBER AND APPLYING THE THINNED COATING TO A ROTATING APPLICATOR WHICH ENGAGES THE UPPER SIDE OF SAID SHEET.
References Cited (Backward Citations)
US2511781A
Cited
US1409908A
Cited
US1849540A
Cited
US2133341A
Cited
US2265990A
Cited
US2651283A
Cited
GB703932A
Cited
US2748025A
Cited
US2821161A
Cited
US2827010A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-26 | 1965-08-28 | 1966-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-26 | 1969-08-28 | 1970-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-26 | 1973-08-28 | 1974-02-27 | $7700.00 | Window Closed / Lapsed |