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US3499359A
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Assignee: JOHN J YRJANAINEN
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Filing: 1968-10-23
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Granted: 1970-03-10
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Expires: 1988-10-23
Abstract
No abstract record available.
Inventors
- 👤 John J Yrjanainen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:15
CPC Classifications
F; F16; F16B; F16B15/00; F16B15/02; F16B15/0015; F16B15/06; F16L; F16L3/00; F16L3/02; F16L3/04; Y; Y10; Y10S; Y10S411/00; Y10S411/92; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49833
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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 |