US2542860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Edge construction
Assignee: Individual
•
Filing: 1946-01-19
•
Granted: 1951-02-20
•
Expires: 1966-01-19
Abstract
No abstract record available.
Inventors
- 👤 Clements Macmillan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:48
CPC Classifications
A; A47; A47B; A47B13/00; A47B13/08; A47B13/083; B; B29; B29C; B29C53/00; B29C53/02; B29C53/04; B29C53/06; B29C53/063; B29D; B29D99/00; B29D99/0039; B29C37/00; B29C37/0053; B29C37/0057; B29L; B29L2031/00; B29L2031/44; B29L2031/441; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1440615A
Cited
US1630858A
Cited
US1711471A
Cited
US2002228A
Cited
US2418612A
Cited
US2149882A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-19 | 1954-08-21 | 1955-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-19 | 1958-08-21 | 1959-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-19 | 1962-08-21 | 1963-02-20 | $7700.00 | Window Closed / Lapsed |