US3526515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of waterproofing baked goods
Assignee: Solo Cup Operating Corp
•
Filing: 1966-12-21
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Granted: 1970-09-01
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Expires: 1986-12-21
Abstract
No abstract record available.
Inventors
- 👤 Sanford Werbin
- 👤 Irving H Rubenstein
- 👤 David Weinstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:51
CPC Classifications
A; A23; A23G; A23G9/00; A23G9/04; A23G9/22; A23G9/28; A23G9/288; A21; A21D; A21D13/00; A21D13/20; A21D13/24; A21D13/26
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) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |