US3469768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual compartment container
Assignee: Dow Chemical Co
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Filing: 1968-02-28
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Granted: 1969-09-30
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Expires: 1988-02-28
Abstract
No abstract record available.
Inventors
- 👤 John P Repko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:59
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/32; B65D81/3261; B65B; B65B29/00; B65B29/10; B65D31/00; B65D31/12; B65D75/00; B65D75/52; B65D75/58; B65D75/5805; B65D75/5811; B65D75/40; B65D75/44; Y; Y10; Y10S; Y10S174/00; Y10S174/11; Y10S383/00; Y10S383/906
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) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |