Patent US3417508A successfully refreshed from Google Patents.
US3417508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parking space barrier
Assignee: Individual
•
Filing: 1967-01-17
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Granted: 1968-12-24
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Expires: 1987-01-17
Abstract
No abstract record available.
Inventors
- 👤 Sprung Abraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:28
CPC Classifications
E; E01; E01F; E01F13/00; E01F13/04; E01F13/08; E01F13/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB967322A
Cited
US3061960A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |