Patent US3500086A successfully refreshed from Google Patents.
US3500086A
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Magneto - electric pulse generator especially for igniting gas-operated devices
Assignee: Max Baermann GmbH
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Filing: 1967-02-01
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Granted: 1970-03-10
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Expires: 1987-02-01
Abstract
No abstract record available.
Inventors
- 👤 Max Baermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:57
CPC Classifications
H; H02; H02K; H02K35/00; H02K35/06; F; F23; F23Q; F23Q3/00; H02K39/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3094635A
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US3130332A
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US3153735A
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US3153736A
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US3259769A
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US3398302A
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US3359459A
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US3369157A
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US3393640A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |