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US3397546A
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Assignee: LYLE H EISERT
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Filing: 1966-03-25
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Granted: 1968-08-20
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Expires: 1986-03-25
Abstract
No abstract record available.
Inventors
- 👤 Lyle H Eisert
- 👤 Walter C Eisert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:47
CPC Classifications
B; B63; B63B; B63B71/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US585064A
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CA598528A
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US951379A
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US1358951A
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US1975049A
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US2961838A
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US3283517A
Cited
US3229833A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |