Patent US3039664A successfully refreshed from Google Patents.
US3039664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film dispensers
Assignee: WR Grace and Co
•
Filing: 1959-08-04
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Granted: 1962-06-19
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Expires: 1979-08-04
Abstract
No abstract record available.
Inventors
- 👤 John W Harrison
- 👤 Thomas E Ford
- 👤 Robert L Dreyfus
- 👤 Jr Milton A Howe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:18
CPC Classifications
G; G09; G09F; G09F7/00; Y; Y10; Y10T; Y10T225/00; Y10T225/20; Y10T225/213; Y10T225/214; Y10T225/231; Y10T225/238; Y10T225/246; Y10T225/247; Y10T225/255; Y10T225/282; Y10T225/284; Y10T225/30; Y10T225/307; Y10T225/321
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE381649C
Cited
US1934181A
Cited
US2333924A
Cited
US2370465A
Cited
GB694684A
Cited
US2942796A
Cited
US2842201A
Cited
US2929907A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |