US3413849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laboratory bedding test machine
Assignee: Wortso Corp
•
Filing: 1965-12-30
•
Granted: 1968-12-03
•
Expires: 1985-12-30
Abstract
No abstract record available.
Inventors
- 👤 Melvin N Janapol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:00
CPC Classifications
G; G01; G01M; G01M99/00; G01M99/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US455196A
Cited
US1723050A
Cited
US2301841A
Cited
GB797663A
Cited
US3195347A
Cited
US3244291A
Cited
US3334517A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |