US1387348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe-covering and fabric from which pipe-coverings are made
Assignee: NORRISTOWN MAGNESIA AND ASBEST
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Filing: 1920-09-25
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Granted: 1921-08-09
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Expires: 1940-09-25
Abstract
No abstract record available.
Inventors
- 👤 Abram K Burgstresser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:16
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/02; F16L59/029; Y; Y10; Y10S; Y10S428/00; Y10S428/906; Y10S428/92; Y10S428/921; Y10T; Y10T428/00; Y10T428/13; Y10T428/1303; Y10T428/31; Y10T428/31504; Y10T428/31652
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) | 1924-08-08 | 1925-02-07 | 1925-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-08-08 | 1929-02-07 | 1929-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-08-08 | 1933-02-07 | 1933-08-09 | $7700.00 | Window Closed / Lapsed |