Patent JPS5869530A successfully refreshed from Google Patents.
US3149861A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1959-09-29
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Granted: 1964-09-22
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Expires: 1979-09-29
Abstract
No abstract record available.
Inventors
- 👤 Larsson Gunnar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:00
CPC Classifications
F; F16; F16L; F16L13/00; F16L13/14; F16L13/141; F16L13/142; Y; Y10; Y10S; Y10S285/00; Y10S285/915; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/49872; Y10T29/49908; Y10T29/49909; Y10T29/49913; Y10T29/49925; Y10T29/49927; Y10T29/49945
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US332035A
Cited
US407037A
Cited
US2477676A
Cited
US1186813A
Cited
CH128532A
Cited
US2374226A
Cited
GB619746A
Cited
US2617672A
Cited
GB723400A
Cited
FR1101379A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |