Patent US3308747A successfully refreshed from Google Patents.
US3308747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grillers and like appliances
Assignee: Individual
•
Filing: 1964-07-21
•
Granted: 1967-03-14
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Expires: 1984-07-21
Abstract
No abstract record available.
Inventors
- 👤 Spagnolo Armando
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:12
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/067
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |