Patent US3140816A successfully refreshed from Google Patents.
US3140816A
Expired / Lapsed
US
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Continuous form envelopes
Assignee: Individual
•
Filing: 1961-06-23
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Granted: 1964-07-14
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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 19:02
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
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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 |