US1508892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exercising and spine-stretching apparatus
Assignee: Individual
•
Filing: 1924-01-15
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Granted: 1924-09-16
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Expires: 1944-01-15
Abstract
No abstract record available.
Inventors
- 👤 Mikalsen Marian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:32
CPC Classifications
A; A61; A61H; A61H1/00; A61H1/02; A61H1/0218; A61F; A61F5/00; A61F5/01; A61F5/04; A61F5/05; A61F5/055; A61H2201/00; A61H2201/16; A61H2201/1602; A61H2201/1604; A61H2201/1607; Y; Y10; Y10S; Y10S128/00; Y10S128/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1927-09-16 | 1928-03-17 | 1928-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-09-16 | 1932-03-17 | 1932-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-09-16 | 1936-03-17 | 1936-09-16 | $7700.00 | Window Closed / Lapsed |