Patent US3305086A successfully refreshed from Google Patents.
US3305086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Package construction
Assignee: Sparks Corp
•
Filing: 1964-11-10
•
Granted: 1967-02-21
•
Expires: 1984-11-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Maurice D Hartman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:34
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/28; B65D75/30; B65D75/32; B65D75/321; B65D75/323; B65D85/00; B65D85/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A PACKAGE CONSTRUCTION COMPRISING A PAIR OF FACING OUTER SHEETS, AT LEAST ONE OF SAID OUTER SHEETS HAVING OUTWARDLY DEFORMED RECEIVER PORTIONS COMBINING WITH THE OTHER SHEET TO DEFINE ARTICLE-HOLDING POCKETS, SAID OUTER SHEETS BEING FORMED WITH SNUG INTERFITTING DEPRESSIONS SURROUNDING EACH OF SAID POCKETS, AND AN INTERMEDIATE SHEET SANDWICHED BETWEEN SAID OUTER SHEETS, SAID INTERMEDIATE SHEET HAVING OPENINGS RECEIVING RESPECTIVE INTERFITTING DEPRESSIONS AND BEING RETAINED IN POSITION THEREBY.
Claim 2
Dependent Claim
69 words
A PACKAGE CONSTRUCTION COMPRISING A PAIR OF FACING OUTER SHEETS, AT LEAST ONE OF SAID OUTER SHEETS HAVING OUTWARDLY DEFORMED RECEIVER PORTIONS COMBINING WITH THE OTHER SHEET TO DEFINE ARTICLE-HOLDING POCKETS, SAID OUTER SHEETS BEING FORMED WITH SNUG INTERFITTING DEPRESSIONS SURROUNDING EACH OF SAID POCKETS, AND AN INTERMEDIATE SHEET SANDWICHED BETWEEN SAID OUTER SHEETS, SAID INTERMEDIATE SHEET HAVING OPENINGS RECEIVING RESPECTIVE INTERFITTING DEPRESSIONS AND BEING RETAINED IN POSITION THEREBY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |