US2893073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Awnings
Assignee: Individual
•
Filing: 1955-03-14
•
Granted: 1959-07-07
•
Expires: 1975-03-14
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Humphrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:35
CPC Classifications
E; E04; E04F; E04F10/00; E04F10/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1051598A
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US2095434A
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US2251572A
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US2428361A
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US2593221A
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US2673378A
Cited
US2619691A
Cited
US2611935A
Cited
US2685111A
Cited
US2663918A
Cited
US2739356A
Cited
US2726425A
Cited
US2752643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-06 | 1963-01-05 | 1963-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-06 | 1967-01-05 | 1967-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-06 | 1971-01-05 | 1971-07-07 | $7700.00 | Window Closed / Lapsed |