US2898688A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marking device
Assignee: ALLEN B COTTAR
•
Filing: 1955-07-25
•
Granted: 1959-08-11
•
Expires: 1975-07-25
Abstract
No abstract record available.
Inventors
- 👤 Cottar Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:00
CPC Classifications
B; B25; B25H; B25H7/00; B25H7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US380694A
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US2733513A
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US729699A
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US1300790A
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US1510718A
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US1675787A
Cited
US1906611A
Cited
GB491439A
Cited
US2547489A
Cited
GB706308A
Cited
US2775812A
Cited
US2698487A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |