US3391692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable-pressure casing and method of using for therapeutic purposes
Assignee: THEODORE E SPIELBERG
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Filing: 1965-12-23
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Granted: 1968-07-09
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Expires: 1985-12-23
Abstract
No abstract record available.
Inventors
- 👤 Theodore E Spielberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:47
CPC Classifications
A; A61; A61H; A61H9/00; A61H9/005; A61H9/0078
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) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |