US2701896A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vertical sliding access door
Assignee: Individual
•
Filing: 1951-04-24
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Granted: 1955-02-15
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Expires: 1971-04-24
Abstract
No abstract record available.
Inventors
- 👤 Rudolph A Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:28
CPC Classifications
E; E05; E05D; E05D13/00; E05D13/10; E05D13/14; E05D15/00; E05D15/16; E05D15/165; F; F25; F25D; F25D23/00; F25D23/02; F25D23/021; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132; E05Y2900/30; E05Y2900/31; F25D13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-14 | 1958-08-16 | 1959-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-14 | 1962-08-16 | 1963-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-14 | 1966-08-16 | 1967-02-15 | $7700.00 | Window Closed / Lapsed |