US3047704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strip heater
Assignee: JB Nottingham and Co Inc
•
Filing: 1959-04-22
•
Granted: 1962-07-31
•
Expires: 1979-04-22
Abstract
No abstract record available.
Inventors
- 👤 Lawrence R Van Noy
- 👤 Paul N Craig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:15
CPC Classifications
H; H05; H05B; H05B3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1365368A
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US1779681A
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US2082551A
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US2407683A
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US2461198A
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US2668896A
Cited
US2748252A
Cited
US2834468A
Cited
US2877332A
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US2917616A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |