Patent US3525840A successfully refreshed from Google Patents.
US3525840A
Expired / Lapsed
US
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Take-apart belt for microwave oven
Assignee: Cryodry Corp
•
Filing: 1967-11-13
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Granted: 1970-08-25
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Expires: 1987-11-13
Abstract
No abstract record available.
Inventors
- 👤 George H Dremann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:58
CPC Classifications
B; B65; B65G; B65G15/00; B65G15/30; B65G15/32; B65G2201/00; B65G2201/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3017014A
Cited
US3256416A
Cited
US3177333A
Cited
US3353968A
Cited
US3242304A
Cited
US3368933A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-24 | 1974-02-23 | 1974-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-24 | 1978-02-23 | 1978-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-24 | 1982-02-23 | 1982-08-25 | $7700.00 | Window Closed / Lapsed |