US3418919A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waffle iron construction
Assignee: Individual
•
Filing: 1966-12-20
•
Granted: 1968-12-31
•
Expires: 1986-12-20
Abstract
No abstract record available.
Inventors
- 👤 Carl J Nardon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:21
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/0611
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1661294A
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US1705727A
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US1822314A
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US2040369A
Cited
US2230728A
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US2308091A
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FR1040598A
Cited
FR1388977A
Cited
US3327966A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |