US3490637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Utility marker box
Assignee: ROBERT M POPE
•
Filing: 1968-06-24
•
Granted: 1970-01-20
•
Expires: 1988-06-24
Abstract
No abstract record available.
Inventors
- 👤 Robert M Pope
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:47
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US537182A
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US795687A
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US989695A
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US1712267A
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US1537325A
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US1923481A
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US1975976A
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US2902185A
Cited
US2936092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |