Patent US3444993A successfully refreshed from Google Patents.
US3444993A
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US
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Component package with dust cover
Assignee: THOMAS J LUNSFORD
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Filing: 1968-04-23
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Granted: 1969-05-20
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Expires: 1988-04-23
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Lunsford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:25
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/28; B65D75/30; B65D75/32; B65D75/36; B65D75/367; B65D75/321; B65D75/323; B65D2575/00; B65D2575/28; B65D2575/30; B65D2575/36; B65D2575/361; B65D2575/362; B65D2575/365; Y; Y10; Y10S; Y10S206/00; Y10S206/82
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3184319A
Cited
US3351192A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |