US3719167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for applying adhesive to envelopes,bags or the like
Assignee: Individual
•
Filing: 1970-07-09
•
Granted: 1973-03-06
•
Expires: 1990-07-09
Abstract
Abstract A GUMMING ROLLER FOR APPLYING SELF-SEALING LATEX ADHESIVE TO A SERIES OF OVERLAPPING ENVELOPES IS ROTATED IN OPPOSITION TO THE DIRECTION OF CONVEYANCE OF THE ENVELOPES SO THAT ALL OR NEARLY ALL OF THE ADHESIVE IS WIPED OFF THE ROLLER ONTO THEIR EXPOSED FLAPS. THE ROLLER IS CYCLICALLY LIFTED, TOGETHER WITH AN ASSOCIATED ADHESIVE RESERVOIR OFF THE ENVELOPES TO PRODICE TWO SEPARATE BANDS OF ADHESIVE ON EACH ENVELOPE, ONE BAND ON THE FLAP AND ANOTHER BAND ON THE BODY OF THE ENVELOPE.
Inventors
- 👤 B Pahlitzsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:43
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/60; B31B70/62; B31B2150/00; B31B2160/00; B31B2160/10
Claims Analysis
Total Claims: 0
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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) | 1976-03-05 | 1976-09-04 | 1977-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-05 | 1980-09-04 | 1981-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-05 | 1984-09-04 | 1985-03-06 | $7700.00 | Window Closed / Lapsed |