Patent US2455007A successfully refreshed from Google Patents.
US2455007A
Expired / Lapsed
US
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Marking system
Assignee: PAUL E ARNALL
•
Filing: 1946-06-05
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Granted: 1948-11-30
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Expires: 1966-06-05
Abstract
No abstract record available.
Inventors
- 👤 Homer C Hayalip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:04
CPC Classifications
D; D06; D06F; D06F93/00; D06F93/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1528513A
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US1722014A
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US1948738A
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US2087153A
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US2132079A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-30 | 1952-05-31 | 1952-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-30 | 1956-05-31 | 1956-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-30 | 1960-05-31 | 1960-11-30 | $7700.00 | Window Closed / Lapsed |