US2610548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Airport taxiway reflector
Assignee: Individual
•
Filing: 1950-09-01
•
Granted: 1952-09-16
•
Expires: 1970-09-01
Abstract
No abstract record available.
Inventors
- 👤 Robert M Isenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:17
CPC Classifications
E; E01; E01F; E01F9/00; E01F9/60; E01F9/604; E01F9/619; E01F9/608; E01F9/61; E01F9/658; E01F9/673; E01F9/685
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1955-09-16 | 1956-03-17 | 1956-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-16 | 1960-03-17 | 1960-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-16 | 1964-03-17 | 1964-09-16 | $7700.00 | Window Closed / Lapsed |