US2769333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall facing
Assignee: Individual
•
Filing: 1952-12-15
•
Granted: 1956-11-06
•
Expires: 1972-12-15
Abstract
No abstract record available.
Inventors
- 👤 George P Reintjes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:29
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0801; E04F13/0832; E04F13/0853
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US373703A
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US499444A
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US1313819A
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US2239545A
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US2302920A
Cited
US2347756A
Cited
US2460052A
Cited
US2413183A
Cited
US2482618A
Cited
US2633735A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-06 | 1960-05-07 | 1960-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-06 | 1964-05-07 | 1964-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-06 | 1968-05-07 | 1968-11-06 | $7700.00 | Window Closed / Lapsed |