US3149414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ejector key
Assignee: Star Expansion Industries Corp
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Filing: 1961-04-14
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Granted: 1964-09-22
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Expires: 1981-04-14
Abstract
No abstract record available.
Inventors
- 👤 Bell Lewis Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:34
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/06; B23B31/07; Y; Y10; Y10T; Y10T279/00; Y10T279/34; Y10T279/3481; Y10T279/3487; Y10T29/00; Y10T29/53; Y10T29/53796; Y10T29/53835; Y10T29/53909; Y10T29/53943
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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |