US3606138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
One-piece envelope with integral,detachable coupons contained therein
Assignee: United States Envelope Co
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Filing: 1969-08-21
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Granted: 1971-09-20
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Expires: 1989-08-21
Abstract
Abstract AN ENVELOPE ENCLOSING A NUMBER OF COUPONS IS MADE FROM A SINGLE BLANK OF PAPER OR THE LIKE, WHICH BLANK ALSO INCLUDES THE COUPONS. A POTENTIAL SEPARATION LINE EXTENDS ALONG EACH OF THE FOUR EDGES OF THE FINISHED EVELOPE AND, BY TEARING OR CUTTING ALONG THESE FOUR LINES, THE COUPONS CONTAINED WITHIN THE ENVELOPE ARE SEPARATED FROM ONE ANOTHER AND FROM THE ENVELOPE. THE FRONT AND REAR PANELS OF THE ENVELOPE MAY ALSO INCLUDE COUPON PORTIONS WHICH ARE SEPARATED FROM THE REMAINDER OF THE ENVELOPE AND FROM THE OTHER COUPONS BY TEARING OR CUTTING ALONG THE POTENTIAL SEPARATION LINES.
Inventors
- 👤 Robert D Allison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:17
CPC Classifications
B; B42; B42D; B42D15/00; B42D15/02; B42D15/04; B42D15/08
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) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |