US2855227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railing assembly
Assignee: Individual
•
Filing: 1954-09-20
•
Granted: 1958-10-07
•
Expires: 1974-09-20
Abstract
No abstract record available.
Inventors
- 👤 John R Bottom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:17
CPC Classifications
E; E04; E04F; E04F11/00; E04F11/18; E04F11/181; E04F11/1817; E04F11/1834; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2563530A
Cited
GB191503540A
Cited
US1792100A
Cited
US1376150A
Cited
US2117798A
Cited
US2099831A
Cited
US2687283A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |