US3456100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety barricade
Assignee: Individual
•
Filing: 1968-07-01
•
Granted: 1969-07-15
•
Expires: 1988-07-01
Abstract
No abstract record available.
Inventors
- 👤 Byron D Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:56
CPC Classifications
E; E01; E01F; E01F13/00; E01F13/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1204475A
Cited
US2804611A
Cited
US2856598A
Cited
US2880405A
Cited
US2930589A
Cited
US3092826A
Cited
US3075174A
Cited
US3078452A
Cited
US3089682A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |