US2920772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for splitting rubber ribbons into threads and for applying tension to the threads
Assignee: RHEE ELASTIC THREAD Corp
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Filing: 1957-04-11
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Granted: 1960-01-12
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Expires: 1977-04-11
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm Kurt
- 👤 Lester R Badmington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:46
CPC Classifications
B; B26; B26D; B26D3/00; B26D3/003; B26F; B26F3/00; B26F3/002; B29; B29D; B29D99/00; B29D99/0078; B29K; B29K2021/00; B29L; B29L2031/00; B29L2031/731; Y; Y10; Y10S; Y10S156/00; Y10S156/934; Y10T; Y10T156/00; Y10T156/11; Y10T156/1168; Y10T156/19; Y10T225/00; Y10T225/30; Y10T225/336; Y10T225/343
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) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |