US2928641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traffic light holder
Assignee: PFAFF AND KENDALL
•
Filing: 1956-04-05
•
Granted: 1960-03-15
•
Expires: 1976-04-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Henry C Pfaff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:37
CPC Classifications
G; G08; G08G; G08G1/00; G08G1/09; G08G1/095; Y; Y10; Y10T; Y10T403/00; Y10T403/34; Y10T403/341; Y10T403/342; Y10T403/344; Y10T403/347
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US321425A
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US559066A
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US680077A
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US714813A
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US1428042A
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US1601819A
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US1578634A
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US1842224A
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US1912665A
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US2139309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-15 | 1963-09-14 | 1964-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-15 | 1967-09-14 | 1968-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-15 | 1971-09-14 | 1972-03-15 | $7700.00 | Window Closed / Lapsed |