Patent US3414108A successfully refreshed from Google Patents.
US3414108A
Expired / Lapsed
US
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Inclined moving walkway arrangement
Assignee: ADAMSON STEPHENS Manufacturing CO
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Filing: 1967-03-27
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Granted: 1968-12-03
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Expires: 1987-03-27
Abstract
No abstract record available.
Inventors
- 👤 Randolph H Jackson
- 👤 Byron J Eddy
- 👤 Kenneth D Mitchell
- 👤 Ernest D Johnson
- 👤 Charles G Hall
- 👤 James E Hicks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:34
CPC Classifications
B; B66; B66B; B66B23/00; B66B23/02; B66B23/028
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) | 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 |