Patent US2713899A successfully refreshed from Google Patents.
US2713899A
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US
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Assignee: HOUGH SHADE Corp
•
Filing: 1953-03-16
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Granted: 1955-07-26
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Expires: 1973-03-16
Abstract
No abstract record available.
Inventors
- 👤 Don C Holloway
- 👤 Robert H Ensign
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:54
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/48; E06B3/481
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US285886A
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US312309A
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USRE23209E
Cited
US1463598A
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US1598479A
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GB524842A
Cited
GB530608A
Cited
US2244300A
Cited
US2267249A
Cited
GB577610A
Cited
GB588340A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-25 | 1959-01-24 | 1959-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-25 | 1963-01-24 | 1963-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-25 | 1967-01-24 | 1967-07-26 | $7700.00 | Window Closed / Lapsed |