US2354690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanism for assembling sliders
Assignee: PILLING CHAIN Co
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Filing: 1942-11-05
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Granted: 1944-08-01
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Expires: 1962-11-05
Abstract
No abstract record available.
Inventors
- 👤 Birdsall P Lawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:29
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/46; B21D53/50; B21D53/54; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49782; Y10T29/49783; Y10T29/53; Y10T29/53291; Y10T29/533; Y10T29/53709; Y10T29/53787
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-08-01 | 1948-01-31 | 1948-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-08-01 | 1952-01-31 | 1952-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-08-01 | 1956-01-31 | 1956-08-01 | $7700.00 | Window Closed / Lapsed |