Patent US2805046A successfully refreshed from Google Patents.
US2805046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible guard fence
Assignee: Individual
•
Filing: 1956-02-10
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Granted: 1957-09-03
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Expires: 1976-02-10
Abstract
No abstract record available.
Inventors
- 👤 John C Petterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:28
CPC Classifications
E; E04; E04H; E04H17/00; E04H4/00; E04H4/06; E06; E06B; E06B11/00; E06B11/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1529744A
Cited
US2260051A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-02 | 1961-03-04 | 1961-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-02 | 1965-03-04 | 1965-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-02 | 1969-03-04 | 1969-09-03 | $7700.00 | Window Closed / Lapsed |