Patent US2708286A successfully refreshed from Google Patents.
US2708286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gate construction
Assignee: Individual
•
Filing: 1953-12-30
•
Granted: 1955-05-17
•
Expires: 1973-12-30
Abstract
No abstract record available.
Inventors
- 👤 Tollefson Tollak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:17
CPC Classifications
E; E06; E06B; E06B11/00; E06B11/02; E06B11/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US527685A
Cited
US566323A
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US772996A
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US894036A
Cited
US1091233A
Cited
US1123913A
Cited
US2010468A
Cited
US2651806A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-16 | 1958-11-15 | 1959-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-16 | 1962-11-15 | 1963-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-16 | 1966-11-15 | 1967-05-17 | $7700.00 | Window Closed / Lapsed |