Patent US2581895A successfully refreshed from Google Patents.
US2581895A
Expired / Lapsed
US
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Invoice assembly for service items
Assignee: Individual
•
Filing: 1949-07-19
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Granted: 1952-01-08
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Expires: 1969-07-19
Abstract
No abstract record available.
Inventors
- 👤 Glenn C Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:00
CPC Classifications
B; B42; B42D; B42D15/00; B42D15/0053
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US617287A
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US718816A
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US1247628A
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US1218700A
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US1440481A
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US1637156A
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US2050184A
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GB514173A
Cited
US2310394A
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US2368531A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-07 | 1955-07-09 | 1956-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-07 | 1959-07-09 | 1960-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-07 | 1963-07-09 | 1964-01-08 | $7700.00 | Window Closed / Lapsed |