US2708902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marking device
Assignee: OSROW PRODUCTS CORP
•
Filing: 1952-05-24
•
Granted: 1955-05-24
•
Expires: 1972-05-24
Abstract
No abstract record available.
Inventors
- 👤 Adolph L Osrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:32
CPC Classifications
A; A41; A41H; A41H23/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1129681A
Cited
US1142458A
Cited
US1405791A
Cited
US1451933A
Cited
US2190507A
Cited
US2374502A
Cited
US2505267A
Cited
US2555063A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-23 | 1958-11-22 | 1959-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-23 | 1962-11-22 | 1963-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-23 | 1966-11-22 | 1967-05-24 | $7700.00 | Window Closed / Lapsed |