US3055341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable writing implement
Assignee: L AND C HARDTMUTH Inc
•
Filing: 1960-10-04
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Granted: 1962-09-25
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Expires: 1980-10-04
Abstract
No abstract record available.
Inventors
- 👤 Ricpe Helmuth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:32
CPC Classifications
B; B43; B43K; B43K8/00; B43K8/16; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32114; Y10T403/32188; Y10T403/32196; Y10T403/32204
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) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |