US3293765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for drying the adhesive on closing flaps of flat-bags and envelopes and the like
Assignee: Individual
•
Filing: 1964-08-04
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Granted: 1966-12-27
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Expires: 1984-08-04
Abstract
No abstract record available.
Inventors
- 👤 Winkler Richard
- 👤 Dunnebier Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:48
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/007; F26B3/00; F26B3/32; F26B3/34; F26B3/347; B; B31; B31B; B31B2150/00; B31B2160/00; B31B2160/10; B31B70/00; B31B70/60; B31B70/62; B31B70/626
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A METHOD OF DRYING MOIST GUN ON THE CLOSURE FLAPS OF FLAT-BAGS, ENVELOPES OR THE LIKE DURING THEIR PASSAGE THROUGH A MACHINE FOR MAKING THE SAME, COMPRISING ADVANCING THE GUMMED FLAPS ALONG A PATH ADJACENT TO AT LEAST TWO SPACED, ELECTRODES WHICH EXTEND SUBSTANTIALLY IN THE CONVEYING DIRECTION AND BETWEEN WHICH THERE IS PRODUCED A HIGH-FREQUENCY ELECTRIC FIELD, AND APPLYING SUCTION TO THE GUMMED FLAPS TO MAINTAIN THEM IN FLAT CONDITION AGAINST A SURFACE ON WHICH THEY ARE BEING ADVANCED ALONG SAID PATH.
Claim 2
Independent Claim
83 words
A METHOD OF DRYING MOIST GUN ON THE CLOSURE FLAPS OF FLAT-BAGS, ENVELOPES OR THE LIKE DURING THEIR PASSAGE THROUGH A MACHINE FOR MAKING THE SAME, COMPRISING ADVANCING THE GUMMED FLAPS ALONG A PATH ADJACENT TO AT LEAST TWO SPACED, ELECTRODES WHICH EXTEND SUBSTANTIALLY IN THE CONVEYING DIRECTION AND BETWEEN WHICH THERE IS PRODUCED A HIGH-FREQUENCY ELECTRIC FIELD, AND APPLYING SUCTION TO THE GUMMED FLAPS TO MAINTAIN THEM IN FLAT CONDITION AGAINST A SURFACE ON WHICH THEY ARE BEING ADVANCED ALONG SAID PATH.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |