US2616239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strand and method of making the same
Assignee: Johns Manville Corp
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Filing: 1949-11-25
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Granted: 1952-11-04
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Expires: 1969-11-25
Abstract
No abstract record available.
Inventors
- 👤 Harry E Holcomb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:18
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/02; D02G3/16; D02G3/18
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) | 1955-11-04 | 1956-05-05 | 1956-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-04 | 1960-05-05 | 1960-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-04 | 1964-05-05 | 1964-11-04 | $7700.00 | Window Closed / Lapsed |