US3452369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compact sauna unit
Assignee: VIKING SAUNA Co
•
Filing: 1967-06-14
•
Granted: 1969-07-01
•
Expires: 1987-06-14
Abstract
No abstract record available.
Inventors
- 👤 Robert Haldon Jones
- 👤 Lennard Edward Nylin
- 👤 Tor H Olssen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:06
CPC Classifications
A; A61; A61H; A61H33/00; A61H33/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA732713A
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GB414475A
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US2450561A
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US2590336A
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US2552837A
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US2606992A
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US2815431A
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US2914648A
Cited
DE1149493B
Cited
GB884956A
Cited
US2995644A
Cited
US3271786A
Cited
US3394412A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |