Patent US3139231A successfully refreshed from Google Patents.
US3139231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Symbolic tear string envelope or wrapper
Assignee: Individual
•
Filing: 1962-04-04
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Granted: 1964-06-30
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Expires: 1982-04-04
Abstract
No abstract record available.
Inventors
- 👤 Gordon W Hueschen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:12
CPC Classifications
B; B65; B65D; B65D27/00; B65D27/32; B65D27/38
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
107 words
IN COMBINATION, AN ENVELOPE FOR ENCLOSING AN ITEM COMPRISING A BODY PORTION, A TEAR STRING HAVING ITS CENTRAL PORTION PASSING THROUGH SAID BODY PORTION AND LYING ADJACENT TO A PERFORATED SCORE LINE INTERNALLY OF SAID ENVELOPE, AND AT LEAST ONE FREE END OF SAID TEAR STRING EXTERNAL OF SAID BODY PORTION, STOP MEANS SECURED TO SAID FREE END OF SAID TEAR STRING ARRANGED TO PREVENT SAID FREE END FROM BEING DRAWN INTO SAID BODY PORTION, AND SYMBOLIC MEANS ASSOCIATED WITH THE OTHER END OF SAID TEAR STRING EXTERNAL OF SAID ENVELOPE, WHEREBY UPON PULLING ONE END OF SAID TEAR STRING THE OPENING OF SAID ENVELOPE IS FACILITATED.
References Cited (Backward Citations)
GB191025047A
Cited
US1119251A
Cited
US1227215A
Cited
GB122752A
Cited
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Cited
FR1020069A
Cited
US2954916A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |