US3505437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for rotational molding
Assignee: United States Department of the Navy
•
Filing: 1967-07-17
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Granted: 1970-04-07
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Expires: 1987-07-17
Abstract
No abstract record available.
Inventors
- 👤 Albert C Eichmann
- 👤 Carl A Damm
- 👤 John R Hess
- 👤 Ralph L Mcgiboney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:31
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/02; B29C44/04; B29C44/0423; B29C44/043; B29C31/00; B29C31/008; B29C33/00; B29C33/12; B29C39/00; B29C39/02; B29C39/04; B29C39/08; B29C39/10; B29C44/12; B29C44/1271; B29C70/00; B29C70/68; B29C70/84; B64; B64D; B64D1/00; B64D1/02; B64D1/04; B64D1/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49011
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2671932A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-06 | 1973-10-06 | 1974-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-06 | 1977-10-06 | 1978-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-06 | 1981-10-06 | 1982-04-07 | $7700.00 | Window Closed / Lapsed |