US3128514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Writing instrument releasable securing means
Assignee: Parker Pen Co
•
Filing: 1959-04-03
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Granted: 1964-04-14
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Expires: 1979-04-03
Abstract
No abstract record available.
Inventors
- 👤 Parker Kenneth
- 👤 Donald W Doman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:06
CPC Classifications
B; B43; B43K; B43K25/00; A; A44; A44B; A44B18/00; Y; Y10; Y10S; Y10S206/00; Y10S206/819; Y10S446/00; Y10S446/901; Y10T; Y10T24/00; Y10T24/13; Y10T24/1321; Y10T24/1324; Y10T24/1338; Y10T24/1388; Y10T24/27; Y10T24/2708; Y10T428/00; Y10T428/24; Y10T428/24008; Y10T428/24017
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |