US2795272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding door
Assignee: Individual
•
Filing: 1955-05-13
•
Granted: 1957-06-11
•
Expires: 1975-05-13
Abstract
No abstract record available.
Inventors
- 👤 Robert K Mcberty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:12
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/48; E06B3/481; E05; E05D; E05D15/00; E05D15/26; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2311470A
Cited
US2411902A
Cited
US2458537A
Cited
US2677420A
Cited
US2667218A
Cited
US2684714A
Cited
US2703140A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-10 | 1960-12-10 | 1961-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-10 | 1964-12-10 | 1965-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-10 | 1968-12-10 | 1969-06-11 | $7700.00 | Window Closed / Lapsed |