US2898907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibratory apparatus
Assignee: Chicago Dynamic Industries Inc
•
Filing: 1956-04-16
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Granted: 1959-08-11
•
Expires: 1976-04-16
Abstract
No abstract record available.
Inventors
- 👤 Stanford M Heide
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:01
CPC Classifications
A; A61; A61H; A61H1/00; A61H1/005; A61H23/00; A61H23/02; A61H23/0218; A61H2203/00; A61H2203/04; A61H2203/0406
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2271382A
Cited
US2235158A
Cited
US2279906A
Cited
US2683453A
Cited
US2687717A
Cited
US2717593A
Cited
US2779328A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |