Patent US3433510A successfully refreshed from Google Patents.
US3433510A
Expired / Lapsed
US
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Swivel joint structure
Assignee: Flambeau Plastics Corp
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Filing: 1966-09-26
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Granted: 1969-03-18
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Expires: 1986-09-26
Abstract
No abstract record available.
Inventors
- 👤 Harold D Hulterstrum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:50
CPC Classifications
F; F16; F16C; F16C11/00; F16C11/04; F16C11/06; F16C11/0619; F16C11/10; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32114; Y10T403/32196; Y10T403/32204; Y10T403/32254; Y10T403/32262; Y10T403/32311; Y10T403/32319; Y10T403/32327; Y10T403/32336
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) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |