Patent US2607140A successfully refreshed from Google Patents.
US2607140A
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US
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Packing ring support
Assignee: Plastic & Rubber Products Inc
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Filing: 1950-05-18
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Granted: 1952-08-19
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Expires: 1970-05-18
Abstract
No abstract record available.
Inventors
- 👤 Harold G Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:15
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/52; B65D75/54; B65D75/02; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1498
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US931631A
Cited
US1411252A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |