US3549381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaging material
Assignee: Hercules LLC
•
Filing: 1967-12-26
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Granted: 1970-12-22
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Expires: 1987-12-26
Abstract
No abstract record available.
Inventors
- 👤 William G Kinsinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:21
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/70; B65D85/804; B65D85/808; B29; B29C; B29C55/00; B29C55/02; B29C55/10; B29C55/12; B29C55/14; B29D; B29D28/00; B29L; B29L2031/00; B29L2031/712; Y; Y10; Y10S; Y10S383/00; Y10S383/908
Claims Analysis
Total Claims: 0
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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) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |