Patent US3460740A successfully refreshed from Google Patents.
US3460740A
Expired / Lapsed
US
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Heat-sealable cushioning and insulating structures
Assignee: EIDP Inc
•
Filing: 1967-12-22
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Granted: 1969-08-12
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Expires: 1987-12-22
Abstract
No abstract record available.
Inventors
- 👤 Richard M Hagen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:55
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/02; B65D81/05; B65D81/051; B65D81/052; B65D81/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2917217A
Cited
US2904814A
Cited
GB937956A
Cited
US3194124A
Cited
US3240855A
Cited
US3354020A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |