Patent US3427160A successfully refreshed from Google Patents.
US3427160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capsular products
Assignee: Polaroid Corp
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Filing: 1966-04-26
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Granted: 1969-02-11
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Expires: 1986-04-26
Abstract
No abstract record available.
Inventors
- 👤 William J Mccune Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:41
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/002; B; B01; B01J; B01J13/00; B01J13/02; B01J13/20; B01J13/22; G03C8/00; G03C8/42; G03C8/426
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) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |