Patent US2745129A successfully refreshed from Google Patents.
US2745129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Edge smoothing and sizing tool
Assignee: Individual
•
Filing: 1951-12-04
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Granted: 1956-05-15
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Expires: 1971-12-04
Abstract
No abstract record available.
Inventors
- 👤 Morton A Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:21
CPC Classifications
B; B29; B29C; B29C67/00; B29C67/0044; B29D; B29D29/00; B29D29/06; B05; B05D; B05D1/00; B05D1/40; B05D1/42; B29K; B29K2021/00; B29K2995/00; B29K2995/0037; B29K2995/0072; B29K2995/0073; B29L; B29L2029/00
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) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |