Patent US3364528A successfully refreshed from Google Patents.
US3364528A
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Assignee: PLAN HOLD CORP
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Filing: 1965-08-23
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Granted: 1968-01-23
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Expires: 1985-08-23
Abstract
No abstract record available.
Inventors
- 👤 William C Fletcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:59
CPC Classifications
B; B42; B42F; B42F9/00; B42D; B42D17/00; B42D17/005; Y; Y10; Y10T; Y10T24/00; Y10T24/20; Y10T24/201; Y10T24/44; Y10T24/44291; Y10T24/44496; Y10T24/44504
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) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |