US3528178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Layout apparatus
Assignee: FRED E KUNZLER
•
Filing: 1968-06-27
•
Granted: 1970-09-15
•
Expires: 1988-06-27
Abstract
No abstract record available.
Inventors
- 👤 Fred E Kunzler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:42
CPC Classifications
B; B25; B25H; B25H7/00; B25H7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR61903E
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US2649780A
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US2670542A
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US2743527A
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US2898685A
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US3162955A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |