US2498009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for assembling ball-pointed writing instruments
Assignee: HARTLEY PEN CO
•
Filing: 1947-06-27
•
Granted: 1950-02-21
•
Expires: 1967-06-27
Abstract
No abstract record available.
Inventors
- 👤 Clarence O Schrader
- 👤 Hartley M Sears
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:01
CPC Classifications
B; B43; B43K; B43K1/00; B43K1/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/4984; Y10T29/49845; Y10T29/49853; Y10T29/49854; Y10T29/53; Y10T29/53709; Y10T29/53717
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1884155A
Cited
US1842571A
Cited
US1946211A
Cited
US2030818A
Cited
DE683560C
Cited
US2223324A
Cited
US2258841A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-20 | 1953-08-22 | 1954-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-20 | 1957-08-22 | 1958-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-20 | 1961-08-22 | 1962-02-21 | $7700.00 | Window Closed / Lapsed |