US2666429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for the correction of posture and normalization of weight
Assignee: LAWRENCE L MACK
•
Filing: 1950-03-06
•
Granted: 1954-01-19
•
Expires: 1970-03-06
Abstract
No abstract record available.
Inventors
- 👤 William R Alexander
- 👤 Owen E Williams
- 👤 Harold H Dawson
- 👤 Howard K Bentz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:35
CPC Classifications
A; A61; A61H; A61H1/00; A61H1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1602196A
Cited
US1942914A
Cited
US2150519A
Cited
US2262271A
Cited
GB588257A
Cited
US2548408A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-18 | 1957-07-20 | 1958-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-18 | 1961-07-20 | 1962-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-18 | 1965-07-20 | 1966-01-19 | $7700.00 | Window Closed / Lapsed |