US2644150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic traffic directing device for garages
Assignee: Individual
•
Filing: 1948-06-26
•
Granted: 1953-06-30
•
Expires: 1968-06-26
Abstract
No abstract record available.
Inventors
- 👤 Philip H Burn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:33
CPC Classifications
E; E04; E04H; E04H6/00; E04H6/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1743175A
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US1810211A
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US2047665A
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US2178315A
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US2217776A
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US2319153A
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US2313627A
Cited
US2421774A
Cited
US2482610A
Cited
US2528790A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |