US3445962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turnstile mechanism
Assignee: Advance Data Systems Corp
•
Filing: 1966-09-21
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Granted: 1969-05-27
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Expires: 1986-09-21
Abstract
No abstract record available.
Inventors
- 👤 Henry L Byland
- 👤 Bradford Bates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:03
CPC Classifications
E; E06; E06B; E06B11/00; E06B11/08
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) | 1972-05-26 | 1972-11-25 | 1973-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-26 | 1976-11-25 | 1977-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-26 | 1980-11-25 | 1981-05-27 | $7700.00 | Window Closed / Lapsed |