Patent US2480352A successfully refreshed from Google Patents.
US2480352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separable liner for tacky elastomers
Assignee: Warren SD Co
•
Filing: 1944-11-04
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Granted: 1949-08-30
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Expires: 1964-11-04
Abstract
No abstract record available.
Inventors
- 👤 Bicknell John Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:19
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/80; D21H19/82; D21H19/826; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31801; Y10T428/31804; Y10T428/31808
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-29 | 1953-02-28 | 1953-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-29 | 1957-02-28 | 1957-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-29 | 1961-02-28 | 1961-08-30 | $7700.00 | Window Closed / Lapsed |