Patent US2879350A successfully refreshed from Google Patents.
US2879350A
Expired / Lapsed
US
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Signalling apparatus for garages
Assignee: Individual
•
Filing: 1957-08-12
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Granted: 1959-03-24
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Expires: 1977-08-12
Abstract
No abstract record available.
Inventors
- 👤 Howell Charles Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:37
CPC Classifications
E; E04; E04H; E04H6/00; E04H6/42; E04H6/426
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US585915A
Cited
US2789167A
Cited
US1598804A
Cited
US1961871A
Cited
US2200739A
Cited
US2454896A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |