US2451016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastic thread and process of making same
Assignee: Individual
•
Filing: 1945-10-18
•
Granted: 1948-10-12
•
Expires: 1965-10-18
Abstract
No abstract record available.
Inventors
- 👤 Sterling W Alderfer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:21
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0078; B26; B26D; B26D1/00; B26D1/01; B26D1/12; B26D1/14; B26D1/24; B26D1/245; B26D3/00; B26D3/003; B29K; B29K2021/00; B29L; B29L2031/00; B29L2031/731; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1084; Y10T156/1087
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) | 1951-10-12 | 1952-04-12 | 1952-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-12 | 1956-04-12 | 1956-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-12 | 1960-04-12 | 1960-10-12 | $7700.00 | Window Closed / Lapsed |