US3140816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous form envelopes
Assignee: Individual
•
Filing: 1961-06-23
•
Granted: 1964-07-14
•
Expires: 1981-06-23
Abstract
No abstract record available.
Inventors
- 👤 Frank L Schultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:08
CPC Classifications
B; B42; B42D; B42D5/00; B42D5/02; B42D5/023; B42D5/025; Y; Y10; Y10S; Y10S229/00; Y10S229/929
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A MAILING COVER COMPRISING: A FRONT FORMED OF INITIALLY TRANSPARENT MATERIAL; FIRST COATING MEANS ON SAID FRONT RENDERING SAID FRONT AT LEAST TRANSLUCENT; A BACK FORMED OF INITIALLY TRANSPARENT MATERIAL; ADDITIONAL COATING MEANS ON SAID BACK RENDERING SAID BACK AT LEAST TRANSLUCENT; AND MEANS JOINING SAID FRONT AND SAID BACK TOGETHER TO FORM AN ENVELOPE POCKET.
Claim 2
Dependent Claim
56 words
A MAILING COVER COMPRISING: A FRONT FORMED OF INITIALLY TRANSPARENT MATERIAL; FIRST COATING MEANS ON SAID FRONT RENDERING SAID FRONT AT LEAST TRANSLUCENT; A BACK FORMED OF INITIALLY TRANSPARENT MATERIAL; ADDITIONAL COATING MEANS ON SAID BACK RENDERING SAID BACK AT LEAST TRANSLUCENT; AND MEANS JOINING SAID FRONT AND SAID BACK TOGETHER TO FORM AN ENVELOPE POCKET.
References Cited (Backward Citations)
US1142349A
Cited
US2132931A
Cited
US2342702A
Cited
US2682206A
Cited
US2684613A
Cited
US2610784A
Cited
US3026018A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |