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US2877972A
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Assignee: GEORGE R STRONG
•
Filing: 1953-09-14
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Granted: 1959-03-17
•
Expires: 1973-09-14
Abstract
No abstract record available.
Inventors
- 👤 Creel Y Sutton
- 👤 Paul B Strong
- 👤 Strong Ricks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:02
CPC Classifications
A; A47; A47G; A47G1/00; A47G1/16; A47G1/1633
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1313366A
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GB190118356A
Cited
US2025717A
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US1999575A
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US2099332A
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US2137837A
Cited
US2161674A
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US2495477A
Cited
GB665567A
Cited
US2657887A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |