Patent US3512487A successfully refreshed from Google Patents.
US3512487A
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Method and apparatus for holding patterns on a surface
Assignee: REPLICA ASSOCIATES Inc
•
Filing: 1969-04-08
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Granted: 1970-05-19
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Expires: 1989-04-08
Abstract
No abstract record available.
Inventors
- 👤 Hugo E Kranz
- 👤 Kenneth R Kranz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:57
CPC Classifications
A; A47; A47B; A47B13/00; A47B13/08; A47B13/12; Y; Y10; Y10S; Y10S428/00; Y10S428/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1838312A
Cited
US2956769A
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US3232202A
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US3368471A
Cited
US3306176A
Cited
US3420608A
Cited
US3446162A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |